Publikationen

  • Greenberg, I., Sawallisch, A., Stelling, J., Vohland, M., Ludwig, B. (2024) Optimization of sample preparation and data evaluation techniques for X-ray fluorescence prediction of soil texture, pH, and cation exchange capacity of loess soils. Soil Science Society of America Journal 88(1), 27-42. https://doi.org/10.1002/saj2.20598.
  • Guo, Z.M., Qiang, W. (...), Ludwig, B., Gunina, A. (2024). Nitrogen deposition raises temperature sensitivity of soil organic matter decomposition in subtropical forest. Science of the Total Environment 907. https://doi.org/10.1016/j.scitotenv.2023.167925.
  • Greenberg, I., Vohland, M., Seidel, M., Hutengs, C., Bezard, R., Ludwig, B. (2023). Evaluation of Mid-Infrared and X-ray Fluorescence Data Fusion Approaches for Prediction of Soil Properties at the Field Scale. Sensors 23/2, 1-22. https://doi.org/10.2290/s23020662.
  • Liu, L., Gunina, A., Zhang, F., Cui, Z., Tian, J. (2023). Fungal necromass increases soil aggregation and organic matter chemical stability under improved cropland management and natural restoration. Science of The Total Environment 858. https://doi.org/10.1016/j.scitotenv.2022.159953.
  • Ludwig, B., Greenberg, I., Vohland, M., Michel, K. (2023). Optimised use of data fusion and memory-based learning with an Austrian soil library for predictions with infrared data. European Journal of Soil Science 74(4). https://doi.org/10.1111/ejss.13394.
  • Qiang, W., Gunina, A., Kuzyakov, Y., He, L., Zhang, Y., Liu, B., Pang, X. (2023). Contributions of mycorrhizal fungi to soil aggregate formation during subalpine forest succession. Catena, 221. https://doi.org/10.1016/j.catena.2022.106800.
  • Shi, JW., Deng, L.,  Gunina, A. et al. (2023). Carbon stabilization pathways in soil aggregates during long-term forest succession: Implications from 813C signatures. Soil Biology  Biochemistry 180. https://doi.org/10.1016/j.soilbio.2023.108988.
  • Zhou, Q., Gunina, A. et al. (2023). Reduction in soil CO2 efflux through alteration of hydrothermal factor in milk vetch (Astragalus sinicus L.)-rapeseed (Brassica napus L.) intercropping system. Frontiers in Plant Science 13.  https://doi.org/10.3389/fpls.2022.1093507.
  • Greenberg, I., Seidel. M., Vohland, M., Koch, HJ, Ludwig, B. (2022). Performance of in situ vs laboratory mid-infrared soil spectroscopy using local and regional calibration strategies. Geoderma 409.  https://doi.org/10.1016/j.geoderma.2021.115614.
  • Gunina, A., Kuzyakov, Y. (2022). From energy to (soil organic) matter. Global Change Biology. https://doi.org/10.1111/gcb.16071.
  • Ludwig, B., Kluver, K., Filipinski, M., Greenberg, I., Piepho, HP, Cordsen, E. (2022). Description and prediction of copper contents in soils using different modeling approaches-Results of long-term monitoring of soils of northern Germany. Journal of Plant Nutrition and Soil Science. https://doi.org/10.1002/jpln.202200075.
  • Ludwig, B., Wolfel, P., Greenberg, I., Piepho, HP, Sporlein, P. (2022). Application of mixed-effects modelling and rule-based models to explain copper variation in soil profiles of southern Germany. European Journal of Soil Science 73,3. https://doi.org/10.1111/ejss.13258.
  • Seidel, M., Vohland, M., Greenberg, I., Ludwig, B., et al. (2022). Soil moisture effects on predictive VNIR and MIR modeling of soil organic carbon and clay content. Geoderma 427. https://doi.org/10.1016/j.geoderma.2022.116103.
  • Semella, S., Hutengs, C., Seidel, M., Ulrich, M., Schneider, B., Ortner, M., Thiele-Bruhn, S., Ludwig, B., Vohland, M. (2022). Accuracy and Reproducibility of Laboratory Diffuse Reflectance Measurements with Portable VNIR and MIR Spectrometers for Predictive Soil Organic Carbon Modeling. Sensors 22, 7. https://doi.org/10.3390/s22072749.
  • Vohland, M., Ludwig, B., Seidel, M., Hutengs, C. (2022). Quantification of soil organic carbon at regional scale: Benefits of fusing vis-NIR and MIR diffuse reflectance data are greater for in situ than for laboratory-based modelling approaches. Geoderma 405. https://doi.org/10.1016/j.geoderma.2021.115426.
  • Yan, ZJ, Zhou, J., Yang, L., Gunina, A., et al. (2022). Diversified cropping systems benefit soil carbon and nitrogen stocks by increasing aggregate stability: Results of three fractionation methods. Science of the Total Environment 824. https://doi.org/10.1016/j.scitotenv.2022.153878.
  • Zhang, Q., Liu, M., Xu, XL, Gunina, A. (2022). Species-specific interaction affects organic nitrogen uptake during intercropping of four important crop species: A useful index for selecting appropriate intercropping combination. Rhizosphere 21. https://doi.org/10.1016/j.rhisph.2021.100460
  • Engell, I., Linsler, D., Schrader, S., Taylor, A., Ludwig, B., Potthoff, M. (2021). Crop residue displacement by soil inversion: Annelid responses and their impact on carbon and nitrogen dynamics in a lab-based mesocosm study. Applied Soil Ecology 167. https://doi.org/10.1016/j.apsoil.2021.104151.
  • Greenberg, I., Seidel, M., Vohland, M., Ludwig, B. (2021). Performance of field-scale lab vs in situ visible/near- and mid-infrared spectroscopy for estimation of soil properties. European Journal of Soil Science. https://doi.org/10.1111/ejss.13180.
  • Huang, YP., Wand, QQ., Zhang, WJ., Zhu, P., Xiao, Q., Wang, CJ., Wu, L., Tian, YF., Xu, MG., Gunina, A. (2021). Stoichiometric imbalance of soil carbon and nutrients drives microbial community structure under long-term fertilization. Applied Soil Ecology 168. https://doi.org/10.1016/j.apsoil.2021.104119.
  • Jiang, ZH., Liu, YZ., Lin, JD., Mo, CY., Yang, JP., Gunina, A. (2021). Conversion from double-rice to maize-rice increases iron-bound organic carbon by "iron gate" and "enzyme latch" mechanisms. Soil & Tillage Research 211. https://doi.org/10.1016/j.still.2021.105014.
  • Jiang, ZH., Liu, YZ., Yang, JP., Brookes, PC., Gunina, A. (2021). Rhizosphere priming regulates soil organic carbon and nitrogen mineralization: The significance of abiotic mechanisms. Geoderma 385. https://doi.org/10.1016/j.geoderma.2020.114877.
  • Jiang, ZH., Liu, YZ., Yang, JP., Zhou, ZQ., Gunina, A. (2021). Effects of nitrogen fertilization on the rhizosphere priming. Plant and Soil 462, 1-2:489-503. https://doi.org/10.1007/s11104-021-04872-6.
  • Li, BZ, Gunina, A., et al (2021). Fate of low-molecular-weight organic phosphorus compounds in the P-rich and P-poor paddy soils. Journal of Integrative Agriculture 20,9:2526-2534. https://doi.org/10.1016/S2095-3119(20)63310-X.
  • Ling, L., Fu, YY., Jeewani, PH., Tang, CX., Pan, ST., Reid, BJ., Gunina, A., et al (2021). Organic matter chemistry and bacterial community structure regulate decomposition processes in post-fire forest soils. Soil Biology & Biochemistry 160. https://doi.org/10.1016/j.soilbio.2021.108311.
  • Liu, M., Xu, XL., Nannipieri, P., Kuzyakov, Y., Gunina, A. (2021). Diurnal dynamics can modify plant-microbial competition for N uptake via C allocation. Biology and Fertility of Soils 57, 7:949-958. https://doi.org/10.1007/s00374-021-01585-x.
  • Ludwig, B., Song, XN, Gunina, A.,Greenberg, I., Dippold, MA, Piepho, HP (2021). Importance of sources of variability, scales and experimental design: A case study about the effects of biochar and slurry application on soil properties in agricultural silty loam soils. European Journal of Soil Science 72,5:1954-1968. https://doi.org/10.1111/ejss.13120
  • Ludwig, B., Greenberg, I., Sawallisch, A., Vohland, M. (2021). Diffuse reflectance infrared spectroscopy estimates for soil properties using multiple partitions: Effects of the range of contents, sample size, and algorithms. Soil Science Society of America Journal 83, 3:546-559. https://doi.org/10.1002/saj2.20205
  • Xia, YH., Chen, XB., Zheng, SM., Gunina, A. et. al. (2021). Manure application accumulates more nitrogen in paddy soils than rice straw but less from fungal necromass. Agriculture Ecosystems & Environment 319. https://doi.org/10.1016/j.agee.2021.107575.
  • Yuan, HZ., Zhu, ZK., Wei, XM., Liu, SL., Peng, PQ., Gunina, A. et.al. (2021). Straw and biochar strongly affect functional diversity of microbial metabolism in paddy soils (vol 18, pg 1473, 2019). Journal of Integrative Agriculture 20,6. p VII-VII.
  • Zhang, QQ, Duan, PP, Gunina, A., et.al. (2021). Mitigation of carbon dioxide by accelerated sequestration from long-term biochar amended paddy soil. Soil & Tillage Research, 209. https://doi.org/10.1016/j.still.2021.104955
  • Zhang, QQ., Wu, Z., Zhang, X., Duan, PP., Shen, HJ., Gunina, A. et al (2021). Biochar amendment mitigated N2O emissions from paddy field during the wheat growing season. Environmental Pollution 281. https://doi.org/10.1016/j.envpol.2021.117026.
  • Zheng, XD., Liang, CM., Chen, XB., Hu, YJ., Qiu, HS., Xia, YH., Liu, ZZ., Wei, L., Ge, TD., Gunina, A. et al (2021). Plant residue-derived hydrophilic and hydrophobic fractions contribute to the formation of soil organic matter. Biology and Fertility of Soils 57,7:1021-1028. https://doi.org/10.1007/s00374-021-01589-7.
  • Zheng, SM., Xia, YH., Hu, YJ., Chen, XB., Rui, YC., Gunina, A. et.al. (2021). Stoichiometry of carbon, nitrogen, and phosphorus in soil: Effects of agricultural land use and climate at a continental scale. Soil & Tillage Research 209. https://doi.org/10.1016/j.still.2020.104903.
  • Zhran, M., Ge, TD., Tong, YY., Zhu, ZK., Deng, YW., Fahmy, A., Chen, M., Lynn, TM., Wu, JS., Gunina, A. (2021). Effect of N and P fertilization on the allocation and fixation of photosynthesized carbon in paddy soil. Ecosystem Health and Sustainability 7, 1. https://doi.org/10.1080/20964129.2021.1941271.
  • Atere, CT., Gunina, A. et.al. (2020). Organic matter stabilization in aggregates and density fractions in paddy soil depending on long-term fertilization: Tracing of pathways by 13C natural abundance. Soil Biology & Biochemistry 149. https://doi.org/10.1016/j.soilbio.2020.107931.
  • Cooper, J., Greenberg, I., Ludwig, B., Hippich, L., Fischer, D., Glaser, B., Kaiser, M.(2020). Effect of biochar and compost on soil properties and organic matter in aggregate size fractions under field conditions. Agriculture Ecosystems and Environment 295. https://doi.org/10.1016/j.agee.2020.106882.
  • Greenberg, I., Linsler, D., Vohland, M., Ludwig, B. (2020). Robustness of visible near-infrared and mid-infrared spectroscopic models to changes in the quantity and quality of crop residues in soil. Soil Science Society of America Journal 84, 3:963-977. https://doi.org/10.1002/saj2.20067.
  • Shen, CC., Gunina, A. et al. (2020). Contrasting patterns and drivers of soil bacterial and fungal diversity across a mountain gradient. Environmental Microbiology. https://doi.org/10.1111/1462-2920.15090.
  • Song, XN., Razavi, BS., Ludwig, B., Zamanian, K., Zang, HD., Kuzyakov, Y., Dippold, MH., Gunina, A. (2020). Combined biochar and nitrogen application stimulates enzyme activity and root plasticity. Science of The Total Environment. 735. https://doi.org/10.1016/j.scitotenv.2020.139393
  • Vormstein, S., Kaiser, M., Piepho, HP, Ludwig, B. (2020). Aggregate formation and organo-mineral association affect characteristics of soil organic matter across soil horizons and parent materials in temperate broadleaf forest. Biogeochemistry 148:169-189. https://doi.org/10.1007/s10533-020-00652-z.
  • Zhao, X., Xu, XL., Wang, F., Greenberg, I., Liu, M., Che, RX., Zang, L., Cui, XY (2020). Climatic, Edaphic and Biotic Controls over Soil delta C-13 and delta N-15 in Temperate Grasslands. Forests 11,4:433. https://doi.org/10.3390/f11040433.
  • Greenberg, I., Kaiser, M., Gunina, A., Ledesma, P., Polifka, S., Wiedner, K., Mueller, CW., Glaser, B., Ludwig, B. (2019). Substitution of mineral fertilizers with biogas digestate plus biochar increases physically stabilized soil carbon but not crop biomass in a field trial. Science of the total Environment 680:181-189. https://doi.org/10.1016/j.scitotenv.2019.05.051.
  • Greenberg, I., Kaiser, M., Polifka, S., Wiedner, K., Glaser, B., Ludwig, B. (2019). The effect of biochar with biogas digestate or mineral fertilizer on fertility, aggregation and organic carbon content of a sandy soil: Results of a temperate field experiment. Journal of Plant Nutrition and Soil Science 182:824-835. https://doi.org/10.1002/jpln.201800496.
  • Gunina, A., Vormstein, S., Kaiser, M., Ludwig, B. (2019). Decomposition of beech leaves and roots in the topsoil and subsoil of a sandy Cambisol: Results of a one-year incubation. European Journal of Soil Biology 95. https://doi.org/10.1016/j.ejsobi.2019.103136.
  • Hutengs,C., Seidel, M., Oertel, F., Ludwig, B., Vohland, M. (2019). In situ and laboratory soil spectroscopy with portable visible-to-near-infrared and mid-infrared instruments for the assessment of organic carbon in soils. Geoderma 355. https://doi.org/10.1016/j.geoderma.2019.113900.
  • Ludwig, B., Murugan, R., Parama, VRR, Vohland, M. (2019). Accuracy of Estimating Soil Properties with Mid-Infrared Spectroscopy: Implications of Different Chemometric Approaches and Software Packages Related to Calibration Sample Size. Soil Science Society of America Journal 83,5:1542-1552. https://doi.org/10.2136/sssaj2018.11.0413.
  • Murugan, R., Parama, VRR, Madan, B., Muthuraju, R., Ludwig, B. (2019). Short-Term Effect of Nitrogen Intensification on Aggregate Size Distribution, Microbial Biomass and Enzyme Activities in a Semi-Arid Soil Under Different Crop Types. Pedosphere 29,4:483-491. https://doi.org/10.1016/S1002-0160(19)60802-7.
  • Seidel, M., Hutengs, C., Ludwig, B., Thiele-Bruhn, S., Vohland, M. (2019). Strategies for the efficient estimation of soil organic carbon at the field scale with vis-NIR spectroscopy: Spectral libraries and spiking vs. local calibrations. Geoderma 354. https://doi.org/10.1016/j.geoderma.2019.07.014.
  • Zhao, ZW., Ge, TD., Gunina, A. et al (2019). Carbon and nitrogen availability in paddy soil affects rice photosynthate allocation, microbial community composition, and priming: combining continuous C-13 labeling with PLFA analysis. Plant and Soil 445:1-2, 137-152. https://doi.org/10.1007/s11104-018-3873-5
  • Grunwald, D., Kaiser, M., Piepho, H.-P., Koch, H.-J., Rauber, R. and Ludwig, B. (2018). Effects of biochar and slurry application as well as drying and rewetting on soil macro-aggregate formation in agricultural silty loam soils. Soil Use Manage 34: 575-583. https://doi.org/10.1111/sum.12465
  • Heinze, S., Ludwig, B., Piepho, H.-P., et al. (2018). Factors controlling the variability of organic matter in the top- and subsoil of a sandy Dystric Cambisol under beech forest. Geoderma 311: 37-44.
  • Hutengs, C., Ludwig, B., Jung, A., Eisele, A., Vohland, M. (2018). Comparison of Portable and Bench-Top Spectrometers for Mid-Infrared Diffuse Reflectance Measurements of Soils. Sensors 18, 4, 993. https://doi.org/10.3390/s18040993.
  • Linsler, D., Nüsse, A., Buchen, C., Helfrich, M., Piepho, H.-P. and Ludwig, B. (2018). Effects of chemical and physical grassland renovation on the temporal dynamics of organic carbon stocks and water-stable aggregate distribution in a sandy temperate grassland soil. Soil Use Manage 34: 490-499. https://doi.org/10.1111/sum.12451.
  • Ludwig, B., Murugan, R., Parama, V.R.R., Vohland, M. (2018). Use of different chemometric approaches for an estimation of soil properties at field scale with near infrared spectroscopy. Journal of Plant Nutrition and Soil Science 181:704-713. DOI: 10.1002/jpln.201800130.
  • Nüsse, A., Linsler, D., Loges, R., Ludwig, B. (2018). Effect of grassland harvesting frequency and N-fertilization on stocks and dynamics of soil organic matter in the temperate climate. Archives of Agronomy and Soil Science 54, 1925-1931. DOI: 10.1080/03650340.2018.1468561.
  • Vohland, M., Ludwig, M., Thiele-Brun, S. and Ludwig B. (2018). Quantification of soil properties with hyperspectral data: Selecting spectral variables with different methods to improve accuracies and analyse prediction mechanisms. Remote Sensing 9:1103, doi:10.3390.
  • Grunwald, D., Kaiser, M., Ludwig, B. (2017). Influence of elevated soil temperature and biochar application on organic matter associated with aggregate-size and density fractions in an arable soil. Agriculture Ecosystems & Environment 241:79-87.
  • Linsler, D., Sawallisch, A., Höper, H., Schmidt, H., Vohland, M., Ludwig, B. (2017). Near-infrared spectroscopy for determination of soil organic C, microbial biomass C and C and N fractions in a heterogeneous sample of German arable surface soils. Archives of Agronomy and Soil Science 63, 11: 1499-1509.
  • Ludwig, B., Vormstein, S., Niebuhr, J., Heinze, S., Marschner, B., and Vohland, M. (2017). Estimation accuracies of near infrared spectroscopy for general soil properties and enzyme activities for two forest sites along three transects.
    Geoderma 288: 37-46.
  • Nüsse, A., Linsler, D., Kaiser, M., u.a. (2017). Effect of grazing intensity and soil characteristics on soil organic carbon and nitrogen stocks in a temperate long-term grassland. Archives of Agronomy and Soil Science 63, 12.
  • Vohland, M., Ludwig, M., Thiele-Bruhn, S., Ludwig, B. (2017). Quantification of Soil Properties with Hyperspectral Data: Selecting Spectral Variables with Different Methods to Improve Accuracies and Analyze Prediction Mechanisms. Remote Sensing 9/11, 1103.
  • Vormstein, S., Kaiser, M., Piepho, H.P. and Ludwig, B. (2017). Effects of fine root characteristics of beech on carbon turnover in the topsoil and subsoil of a sandy Cambisol. Eur. J. Soil Sci. 68,2:177-188.
  • Grunwald, D., Kaiser, M., Ludwig, B. (2016): Effect of biochar and organic fertilizers on C mineralization and macro-aggregate dynamics under different incubation temperatures. Soil and Tillage Research 164:11-17.
  • Kaiser, M., Zederer, D.P., Ellerbrock, R.H., Sommer, M., Ludwig, B. (2016): Effects of mineral characteristics on content, composition, and stability of organic matter fractions separated from seven forest topsoils of different pedogenesis. Geoderma 263: 1-7.
  • Linsler, D., Kaiser, M., Andruschkewitsch, R., Ludwig, B. (2016): Effects of cover crop growth and decomposition on the distribution of aggregate size fractions and soil microbial carbon dynamics. Soil Use and Management 32:192-199.
  • Ludwig, B., Linsler, D., Hoper, H., Schmidt, H., Piepho, H.P., Vohland, M. (2016): Pitfalls in the use of middle-infrared spectroscopy: representativeness and ranking criteria for the estimation of soil properties. Geoderma 268: 165-175.
  • Pinggera, J., Geisseler, D., Merbach, I. (2015): Effect of substrate quality on the N uptake routes of soil microorganisms in an incubation experiment. Europ. Journal of Soil Biology 69: 17-23.
  • Pinggera, J., Geisseler, D., Piepho, H.P., Joergensen, R.G., Ludwig, B. (2015): Effect of substrate quality on the N uptake routes of soil microorganisms in different soil depths. Pedobiologia 58, 5-6: 211-218.
  • Helfrich, M., Ludwig, B., Thoms, C. et al. (2015): The role of soil fungi and bacteria in plant litter decomposition and macroaggregate formation determined using phospholipid fatty acids. Applied Soil Ecology 96: 261-264.
  • Linsler, D., Taube, F., Geisseler, D. et al. (2015): Temporal variations of the distribution of water-stable aggregates, microbial biomass and ergosterol in temperate grassland soils with different cultivation histories. Geoderma 241: 221-229.
  • Ludwig, B., Sawallisch, A., Heinze, S., Joergensen, R.G., Vohland, M. (2015): Usefulness of middle infrared spectroscopy for an estimation of chemical and biological soil properties - Underlying principles and comparison of different software packages. Soil Biology and Biochem. 86: 116-125.
  • Staunton, S.; Ludwig, B.; Torrent, J. (2015): Barrow, NJA mechanistic model for describing the sorption and desorption of phosphate by soil. Journal of Soil Science, 34, 733-750. 
  • Andruschkewitsch, R., Geisseler, D., Dultz, S., Joergensen, R.-G., Ludwig, B. (2014): Rate of soil-aggregate formation under different organic matter amendments - a short-term incubation experiment. J. Plant Nutr. Soil Sci. 177,2: 297-306.
  • Andruschkewitsch, R., Koch, H.J., Ludwig, B. (2014): Effect of long-term tillage treatments on the temporal dynamics of water-stable aggregates and on macro-aggregate turnover at three German sites. Geoderma 217-218: 57-64.
  • Kaiser, M., Piegholdt, C., Andruschkewitsch, R., Linsler, D. Koch, H.-J., Ludwig, B. (2014) Impact of tillage intensity on carbon and nitrogen pools in surface and sub-surface soils of three long-term field experiments. Europ. Journal of Soil Science, 65,4: 499-509
  • Linsler, D., Geisseler, D., Loges, R., Taube, F., Ludwig, B. (2014): Effects of tillage and application of cattle slurry on carbon pools and aggregate distribution in temperate grassland soils. J. Plant Nutr. Soil Sci. 177,3: 388-394.
  • Saenger, A., Geisseler, D., Ludwig, B. (2014): C and N dynamics of a range of biogas slurries as a function of application rate and soil texture: a laboratory experiment. Agronomy and Soil Science 60, 12: 1779-1794.
  • Vohland, M., Ludwig, M., Thiele-Bruhn, S., Ludwig, B. (2014): Determination of soil properties with visible to near- and mid-infrared spectroscopy: Effect of spectral variable selection. Geoderma 223-225: 88-96.
  • Wachendorf, C., Potthoff, M., Ludwig, B., Joergensen, R.-G. (2014): Effects of addition of maize litter and earthworms on C mineralization and aggregate formation in single and mixed soils differing in soil organic carbon and clay content. Pedobiologia 57,3: 161-169.
  • Pokharel, A.K., Jannoura, R., Heitkamp, F., Kleikamp, B.,Wachendorf, C., Dyckmans, J., Ludwig, B., Joergensen, R.G. (2013): Development of aggregates after application of maize residues in the presence of mycorrhizal an non-mycorrhizal pea plants. Geoderma 202-203: 38-44.
  • Andruschkewitsch, R., Geisseler, D., Koch, H.-J. et al. (2013): Effects of tillage von contents of organic carbon, nitrogen, water-stable aggregates and light fraction for four different long-term trials. Geoderma 192: 368-377.
  • Jaeger, N., Duffner, A., Ludwig, B. (2013): Effect of fertilization history on short-term emission of CO2 and N2O after the application of different N fertilizers - a laboratory study. Arch. of Agronomy and Soil Sci. 59: 161-171.
  • Linsler, D., Geisseler, D., Loges, R. et al (2013): Temporal dynamics of soil organic matter composition and aggregate distribution in permanent grassland after a single tillage event in a temperate climate. Soil Till. Res. 126: 90-99.
  • Maqsood, S., Geisseler; B., Rauber, R., Ludwig, B. (2013): Long-term impacts of different tillage intensities on the C and N dynamics of a Haplic Luvisol. Agronomy and Soil Sci. 69,11: 1517-1528.
  • Piegholdt, C., Geisseler, D., Koch, H.-J. (2013): Long-term tillage effects on the distribution of phosphorus fractions of loess soils in Germany. J. Plant Nutr. Soil Sci 176: 217-226.
  • Geisseler, D., Joergensen, R.G., Ludwig, B. (2012): Temporal effect of straw addition on amino acid utilization by soil microorganisms. Eur. J. of Soil Biol. 53: 107-113.
  • Geisseler, D., Lazicki, P., Pettygrove, G. et al (2012): Nitrogen Dynamics in Irrigated Forage Systems Fertilized with Liquid Dairy Manure. Agronomy Journal 104: 897-907.
  • Geisseler, D., Joergensen, R.G., Ludwig, B. (2012): Potential soil enzyme activities are decoupled from microbial activity in dry residue-amended soil. Pedobiologia, 55:253-261.
  • Heitkamp, F., Jäger, N., Flessa, H., Raupp, J., Ludwig, B. (2012): Effect of fertilization on respiration from different sources in a sandy soil of an agricultural longterm experiment. Arch. Agron. Soil Sci.58: 933-944.
  • Ludwig, B., Hu, K., Niu, L. et al (2012): Modelling the dynamics of organic carbon in fertilization and tillage experiments in the North China Plain using the Rothamsted Carbon Model-initialization and calculation of C inputs (vol 332, pg 193,2010). Plant and Soil 355: 417-417.
  • Geisseler, D., Linsler, D., Piegholdt, C., Andruschkewitsch, R., Raupp, J. Ludwig, B. (2011): Distribution of phosphorus in size fractions of sandy soils with different fertilization histories. J. Plant Nutr. Soil Sci., 174: 891-898 Abstract
  • Heinze, S., Oltmanns, M., Joergensen, R.G., Raupp, J. (2011): Changes in microbial biomass indices after 10 years of farmyard manure and vegetal fertilizer application to  a sandy soil under organic management. Plant Soil 343: 221-234. Abstract
  • Heitkamp, F., Raupp, J., Ludwig, B. (2011): Soil organic matter pools and crop yields as affected by the rate of farmyard manure and use of biodynamic preparations in a sandy soil. Org. Agr. 1:111-124. Abstract
  • Heitkamp, F., Raupp, J., Ludwig, B. (2011): Effects of fertilizer type and rate on labile soil fractions of a sandy Cambisol - long-term and short-term dynamics. J. Plant Nutr. Soil Sci. 174, 121-127. Abstract
  • Jacobs, A., Helfrich, M., Dyckmans, J., Rauber, R., Ludwig, B. (2011): Aggregate dynamics in soil in an incubation experiment with 15N-maize: effects of residue location. J. Plant Nutr. Soil Sci., in press.
  • Jacobs, A., Helfrich, M., Dyckmans, J., Rauber, R. , Ludwig, B. (2011): Effects of residue location on soil organic matter turnover: results from an incubation experiment with 15N-maize. J. Plant Nutr. Soil Sci. 174, 634-643. Abstract
  • Jacobs, A., Ludwig, B., Schmidt, J.H. et al. (2011): Influence of tillage on degradation kinetics using the litterbag method. Eur. J. of Soil Biol. 47, 198-204. Abstract
  • Jacobs, A., Kaiser, K., Ludwig, B. et al. (2011): Application of biochemical degradation indices to the microbial decomposition of maize leaves and wheat straw in soils under different tillage systems. Geoderma 162, 207-214. Abstract
  • Jäger, N., Stange, C.F., Ludwig, B., Flessa, H. (2011): Emission rates of N2O and CO2 from soils with different organic matter content from three long-term fertilization experiments - a laboratory study. Bio. Fertil. Soils 47: 483-494. Abstract
  • Ludwig, B., Jaeger, N., Priesack, E., Flessa, H. (2011): Application of the DNDC model to predict N2O emissions from sandy arable soils with differing fertilization in a long-term experiment. J. Plant Nutr. Soil Sci. 174, 350-358 Abstract
  • Ludwig, B., Bergstermann, A., Priesack, E., Flessa, H. (2011):  Modelling of crop yields and N2O emissions from silty arable soils with differing tillage in two long-term experiments. Soil Till. Res., 112:114-121. Abstract
  • Ludwig, B., Geisseler, D., Michel, K., Joergensen, R.G., Schulz, E., Merbach, I., Raupp, J., Rauber, R., Hu, K., Niu, L., Liu, X. (2011): Effects of fertilization and soil management on crop yields and carbon stabilization in soils. A review. Agron. Sust. Dev., 31:361-372. Abstract
  • Mueller, E., Rottman, N., Bergstermann, A., Wildhagen, H. & Joergensen, R.G. (2011): Soil CO2 evolution rates in the field – a comparison of three methods. Archi. Agron. Soil Sci. 57, 597-608 Abstract
  • Rottmann, N., Siegfried, K., Buerkert, A., Joergensen, R.G. (2011): Litter decomposition in fertilizer treatments of vegetable crops under irrigated subtropical conditions. Bio. Fertil. Soils 47, 71-80. Abstract
  • Rottmann, N. & Joergensen, R.G., (2011): Measuring the CO2 production from maize-straw amended soil columns – a comparison of four methods. J. Plant Nutr.Soil Sci. 174, 373-380. Abstract
  • Sänger, A., Geisseler, D., Ludwig, B. (2011): Effects of moisture and temperature on greenhouse gas emissions and C and N leaching losses in soil treated with biogas slurry. Biol. Fertil. Soils 47: 249-259. Abstract
  • Vohland, M., Michel, K ., Ludwig, B. (2011): Use of near infrared spectroscopy to distinguish carbon and nitrogen originating from char and forest-floor material in soils: usefulness of a genetic algorithm. J. Plant Nutr. Soil Sci.174:695-701.
  • Buerkert, A., Jahn, H., Golombek, S.D., Al Rawahi, M.N., Gebauer, J. (2010): Carbon and nitrogen emissions from stored manure and cropped fields in irrigated mountain oases of Oman. J. Agric. Rural Devel. Trop. Subtrop. 111, 65-73. Abstract
  • Geisseler, D., Horwath, W.R., Joergensen, R.G., Ludwig, B. (2010): Pathways of nitrogen utilization by soil microorganisms - a review. Soil Biol. Biochem. 42, 2058-2067. Abstract
  • Heinze, S., Rauber, R., Joergensen, R.G. (2010): Influence of mouldboard plough and rotary harrow tillage on micobial biomass and nutrient stocks in two long-term experiments on loess derived Luvisols. Appl. Soil Ecol., 46, 405-412. Abstract
  • Heinze, S., Raupp, J. & Joergensen, R.G. (2010): Effects of fertilizer and spatial heterogeneity in soil pH on microbial biomass indices in a long-term field trial of organic agriculture. Plant Soil, 328:203-215.  Abstract
  • Helfrich, M.,  Flessa, H. and Ludwig, B. (2010): Is thermal oxidation at different temperatures suitable to isolate soil organic carbon fractions with different turnover? J. Plant Nutr. Soil Sci.173, 61-66. Abstract
  • Helfrich, M., Flessa, M., Ludwig, B. (2010): Modelling carbon dynamics in subsoils using simple models. J. Plant Nutr. Soil Sci., 173: 671-677. Abstract
  • Jacobs, A., Helfrich, M., Hanisch, S., Quendt, U., Rauber, R. & Ludwig, B. (2010): Effect of conventional and minimum tillage on physical and biochemical stabilization of soil organic matter. Biol. Fertil. Soils 46:671-680. Abstract
  • Ludwig, B., Herrmann, S. & Michel, K. (2010): Modelling chemical and biological reactions during unsaturated flow through sandy soils. Aust. J. Soil Res., 48, 221-230. Abstract
  • Ludwig, B., Jaeger, N., Priesack, E., Flessa, H. (2010): Application of the DNDC model to predict N2O emissions from sandy arable soils with differing fertilization in a long-term experiment. J. Plant Nutr. Soil Sci. 174, 350-358 Abstract
  • Ludwig, B., Hu, K., Niu, L. & Liu, X. (2010): Modelling the dynamics of organic carbon in fertilization and tillage experiments in the North China Plain using the Rothamsted Carbon Model—initialization and calculation of C inputs. Plant Soil, 332: 193-206.  Abstract
  • Michel, K., Herrmann, S. & Ludwig, B. (2010): Modelling chemical and biological reactions during unsaturated flow in silty arable soils. Geoderma, 156, 293-301. Abstract 
  • Michel, K and Ludwig, B. (2010): Prediction of model pools for a long-term experiment using near-infrared spectroscopy. J. Plant Nutr. Soil Sci., 173, 55-60. Abstract
  • Sänger, A., Geisseler, D. & Ludwig, B. (2010): Effects of rainfall pattern on carbon and nitrogen dynamics in soil amended with biogas slurry and composted cattle manure. J. of Plant Nutr. Soil Sci., 173, 692-698. Abstract
  • Herrmann, S., Mayer, J., Michel, K. and Ludwig, B. (2009): Predictive capacity of visible-near-infrared spectroscopy for quality parameter assessment of compost. Journal of Near Infrared Spectroscopy 17, 289-301. Abstract
  • Heitkamp, F., Raupp, J. and Ludwig, B. (2009): Impact of fertilizer type and rate on carbon and nitrogen pools in a sandy Cambisol. Plant Soil, 319, 259-275. Abstract
  • Jacobs, A., Rauber, R. and Ludwig, B. (2009): Impact of reduced tillage on carbon and nitrogen storage of two Haplic Luvisols after 40 years. Soil Till. Res., in press.
  • Michel, K., Terhoeven-Urselmans, T., Nitschke, R., Steffan, P. and Ludwig, B. (2009): Use of near- and mid-infrared spectroscopy to distinguish C and N originating from char and forest floor material in soils. J. Plant Nutr. Soil Sci.172, 63-70. Abstract
  • Flessa, H., Amelung, W., Helfrich, M., Wiesenberg, G.L.B., Gleixner, G., Brodowski, S., Rethemeyer, J., Kramer, C. and Grootes, P.M. (2008):. Storage and stability of organic matter in a Luvisol and Phaeozem with continuous maize cropping: A synthesis from the priority program SPP 1090.  Abstract
  • Ludwig, B., Nitschke, R., Terhoeven-Urselmans, T., Michel, K. and Flessa, H. (2008): Use of mid-infrared spectroscopy in the diffuse reflectance mode for the prediction of the composition of organic matter in soil and litter. J. Plant Nutr. Soil Sci.171, 384-391. Abstract
  • Helfrich, M., Ludwig, B., Potthoff, M. and Flessa, H. (2008): Effect of litter quality and soil fungi on macroaggregate dynamics and associated partitioning of litter carbon and nitrogen. Soil Biol. Biochem. 40:1823-1835. Abstract
  • Terhoeven-Urselmans, T., Bruns, C., Schmilewski, G. and Ludwig, B. (2008): Quality assessment of growing media with near-infrared spectroscopy: chemical characteristics and plant assay results. Europ. J. Hortic., 73:28-36. Abstract
  • Terhoeven-Urselmans, T., Schmidt, H., Jörgensen, R.G. and Ludwig, B. (2008): Usefulness of near-infrared spectroscopy to determine soil biological and chemical characteristics: importance of sample treatment. Soil Biol. Biochem., 40:1178-1188. Abstract
  • Ludwig, B., Kuka, K., Franko, U. and von Lützow, M. (2008): Comparison of two quantitative soil organic carbon models with a conceptual model using data from an agricultural long term experiments. J. Plant Nutr. Soil Sci.171, 83-90. Abstract
  • v. Lützow, M., Kögel-Knabner, I., Ludwig, B., Matzner, E., Flessa, H., Ekschmitt, K., Guggenberger, G., Marschner, B. and Kalbitz, K. (2008): Stabilization mechanisms of organic matter in four temperate soils: Development and application of a conceptual model. J. Plant Nutr. Soil Sci.171, 111-124. Abstract
  • Rethemeyer, J., Grootes, P.M., Brodowski, S. and Ludwig, B. (2007): Evaluation of soil 14C data for estimating inert organic matter in the RothC model. Radiocarbon 49, 1079-1091. Abstract
  • Terhoeven-Urselmans, T., Bruns, C., Schmilewski, G. and Ludwig, B. (2007): Effects of passive heating and storage on the quality of bagged peats and growing media. Sci. Hortic-Amsterdam 115, 82-90.  Abstract
  • Helfrich, M., Flessa, H., Mikutta, R., Dreves, and Ludwig, B. (2007): Comparison of chemical fractionation methods for isolating stable soil organic carbon pools. Eur. J. Soil Sci. 58, 1316-1329. Abstract
  • Ludwig, B., Schulz, E., Merbach, I., Rethemeyer, J. and Flessa, H. (2007): Predictive modelling of the C dynamics for eight variants of the long-term static fertilization experiment in Bad Lauchstädt using the Rothamsted Carbon Model. Eur. J. Soil Sci. 58, 1155-1163. Abstract
  • Michel, K., Roose, M. and Ludwig, B. (2007): Comparison of different approaches for modelling heavy metal transport in acidic soils. Geoderma 140:207-214. Abstract
  • Ludwig, B., Teepe, R., Lopes de Gerenyu, V. and Flessa, H. (2006): CO2 and N2O emissions from gleyic soils in the Russian tundra and a German forest during freeze-thaw periods - a microcosm study. Soil Biol. Biochem., 38:3516-3519. Abstract
  • Michel, K., Terhoeven-Urselmans, T., Bruns, C., Kleikamp, B. and Ludwig, B. (2006): Determination of chemical and biological properties of composts using near infrared spectroscopy. J. Near Infrared Spec., 14:251-259. Abstract
  • Yamashita, T., Flessa, H., John, B., Helfrich, M. and Ludwig, B. (2006): Organic matter in density fractions of water-stable aggregates in silty soils: Effect of land use. Soil Biol. Biochem., 38:3222-3234. Abstract
  • Ludwig, B., Schmilewski, G. and Terhoeven-Urselmans, T. (2006): Use of near infrared spectroscopy to predict chemical parameters and phytotoxicity of peats and growing media. Sci. Hortic-Amsterdam, 109:86-91. Abstract
  • Helfrich, M., Ludwig, B., Buurmann, P. and Flessa, H. (2006): Effect of land use on the composition of soil organic matter in density and aggregate fractions as revealed by solid-state 13C NMR spectroscopy. Geoderma 136:331-341.  Abstract
  • Terhoeven-Urselmans T.,  Michel, K., Helfrich, M., Flessa, H.and Ludwig, B. (2006): Near infrared spectroscopy can predict the composition of organic matter in soil and litter. J. Plant Nutr. Soil Sci., 169:168-174.Abstract
  • Michel, K., Matzner, E. Dignac, M.-F. & Kögel-Knabner, I. (2006): Properties of dissolved organic matter related to soil organic matter quality and nitrogen additions in Norway spruce forest floors. Geoderma 130(3-4):250-264.  Abstract
  • Ludwig, B., Helfrich, M. and Flessa, H. (2005): Modelling the long-term stabilization of carbon from maize in a silty soil. Plant Soil 278:315-325. Abstract
  • Michel, K. and Ludwig, B. (2005): Modelling of seepage water composition from experiments with an acid soil and a calcareous sediment. Acta hydrochim. hydrobiol 33:595-604. Abstract
  • Lobe, I., Bol, R., Ludwig, B.,  Du Preez, C.C. and Amelung, W. (2005): Savanna-derived organic matter remaining in arable soils of the South African Highveld long-term mixed cropping: Evidence from 13C and 15N natural abundance.  Soil Biol. Biochem. 37:1898-1909. Abstract
  • Ludwig, B., Khanna, P.K., Prenzel, J. and Beese, F. (2005): Heavy metal release from different ashes during serial batch tests using water and acid. Waste Manage. 25:1055-1066. Abstract
  • Ludwig, B., Beese, F. and Michel, K. (2005): Modelling cation transport and pH buffering during unsaturated flow through intact subsoils. Eur. J. Soil Sci. 56:635-645. Abstract
  • John, B., Yamashita, T., Ludwig, B. and Flessa, H. (2005): Storage of organic carbon in aggregate and density fractions of silty soils under different types of land use. Geoderma, 128:63-79. Abstract
  • Ludwig, B., Wolf, I. and Teepe, R. (2004): Contribution of nitrification and denitrification to the emission of N2O in a freeze-thaw event in an agricultural soil. J. Plant Nutr. Soil Sci., 167:678-684. Abstract
  • Teepe, R. and Ludwig, B.* (2004): Variability of CO2 and N2O emissions during freeze-thaw cycles: results of model experiments on undisturbed forest-soil cores. J. Plant Nutr. Soil Sci., 167:153-159. Abstract  *Corresponding author.
  • John, B., Ludwig, B., Potthoff, M. and Flessa, H. (2004): Carbon and nitrogen mineralisation after maize harvest between and within maize rows: a microcosm study using 13C natural abundance. J. Plant Nutr. Soil Sci., 167:270-276. Abstract 
  • Teepe, R., Vor, A., Beese, F. and Ludwig, B.* (2004): Emissions of N2O from soils during cycles of freezing and thawing and the effects of soil water, texture and duration of freezing. Eur. J. Soil Sci., 55:357-365. Abstract  *Corresponding author.
  • Teepe, R., Brumme, R., Beese, F. and Ludwig, B. (2004): Nitrous oxide emission and methane consumption following compaction of forest soils. Soil Sci. Soc. Am. J., 68:605-611. Abstract
  • Ludwig, B. and Kölbl, A. (2003): Modeling cation exchange in an undisturbed subsoil at different flux rates. Soil Sci., 168:253-266. Abstract
  • Ludwig, B., John, B., Ellerbrock, R., Kaiser, M. and Flessa, H. (2003): Stabilization of carbon from maize in a sandy soil in a long-term experiment. Eur. J. Soil Sci., 54:117-126. Abstract
  • John, B., Ludwig, B. and Flessa, H. (2003): Carbon dynamics determined by natural 13C abundance in microcosm experiments with soils from long-term maize and rye monocultures. Soil Biol. Biochem., 35:1193-1202. Abstract
  • Ludwig, B. and Kölbl, A. (2002): Modelling cation exchange in columns of disturbed and undisturbed subsoil. Eur. J. Soil Sci., 53:645-653. Abstract
  • Michel, K. and Ludwig, B. (2005): Bioavailability and biogeochemistry of metals in the terrestrial environment. In Biogeochemistry, Availability, and Transport of Metals in the Environment, Vol. 44, S. 75-96 of Met. Ions Biol. Syst., A. Sigel, H. Sigel, and R. K. O. Sigel, eds., M. Dekker, New York & Basel,  Conclusions
  • Michel, K. Terhoeven-Urselmans, T., Steffan, P.  Ludwig, B. (2009) Bestimmung des kohlebürtigen Kohlenstoffs in Böden mittels Nahinfrarotspektroskopie. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Helfrich, M., Flessa, H. & Ludwig, B. (2009): Modellierung der C-Dynamik in Unterböden mittels einfacher Modelle. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Ludwig, B., Jörgensen, R.G., Flessa, H. & Michel, K. (2009): Humus- und Nährstoffhaushalt in der ökologischen Landwirtschaft: Einfluss von Bodenbearbeitung und Düngung. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Heitkamp, F., Raupp, J. & Ludwig, B. (2009): Der Einfluss von Düngerart und Rate auf unterschiedlich schnell umsetzbare C- und N-Pools. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Herrmann, S., Mayer, J., Michel, K. & Ludwig, B. (2009): Anwendbarkeit der Nah- Infrarotspektroskopie zur Qualitätsbeurteilung von Komposten. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Jacobs, A., Helfrich, M., Dyckmans, J., Rauber, R. & Ludwig, B. (2009): Auswirkung der Bodenbearbeitung auf Mineralisierung und Stabilisierung organischer Substanz – ein Mikrokosmenversuch. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Sänger, A., Geisseler, D. & Ludwig, B. (2009): Einfluss unterschiedlicher Beregnungsmuster auf die Dynamik von C und N aus Biogasgülle und Rottemist im Boden. In: Böden - eine endliche Ressource, September 2009, Bonn.
  • Helfrich, M.,  Ludwig, B.,  Potthoff, M. & Flessa, H. (2008): Einfluss der Streuqualität und der Pilzbiomasse auf die Makroaggregatbildung und die Stabilisierung organischer Substanz im Zuge des Streuabbaus. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 110, 301–302.
  • Heinze, S., Raupp, J. & Joergensen, R.G. (2008): Influence of pH-heterogeneity of fertiliser effects on microbial biomass in a long-term field trial of ecological agriculture. Eurosoil Abstracts 2008, Wien, 59.
  • Heinze, S., Raupp, J. & Jörgensen, R. G. (2008).: Einfluss mineralischer und organischer Düngeranwendung auf die mikrobielle Biomasse in einem Langzeit-Versuch der ökologischen Landwirtschaft. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, im Druck.
  • Heitkamp, F, Raupp, J. & Ludwig, B. (2008): Fertilizer type and rate: effects on labile carbon and nitrogen pools in a long-term trial on a sandy Cambisol. Eurosoil Abstracts 2008, Wien, 228.
  • Jacobs, A., Rauber, R. & Ludwig, B. (2008): Impact of tillage on carbon and nitrogen storage of two Haplic Luvisols. Eurosoil Abstracts 2008, Wien, 17.
  • Rottmann, N., Raupp, J., Dyckmans, J. & Jörgensen, R.G. (2008): Decomposition and microbial colonisation of litter affected by the depth of incubation in a column experiment. Eurosoil Abstracts 2008, Wien, 5.
  • Rottmann, N., Raupp, J., Dyckmans, J. & Jörgensen, R.G. (2008): Abbau und mikrobielle Besiedelung von Streu in Abhängigkeit der Einarbeitungstiefe im Säulenversuch. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, im Druck.
  • Ludwig, B., Kuka, K., Franko, U. & v. Lützow, M. (2007): Vergleich zweier quantitativer Kohlenstoffdynamik-Modelle mit einem konzeptionellen Modell unter Berücksichtigung landwirtschaftlicher Dauerversuche. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 110/1, 267.
  • Michel, K. & Ludwig, B. (2007): Modellierung des Chromtransportes in einem Boden und einem Sediment. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 110/1, 229-230.
  • Terhoeven-Urselmans, T., Schmidt, H., Jörgensen, R.G. & Ludwig, B. (2007): Einsatz der Nahinfrarot-Spektroskopie zur Bestimmung von bodenchemischen und bodenbiologischen Meßgrößen und der Einfluß der Probenvorbehandlung. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 110/1, 331.
  • Ernst, S., Amthauer Gallardo, D., Michel, K. & Ludwig, B. (2007): Freisetzung von Nährionen aus Böden unterschiedlicher Klimaregionen. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 110/1, 185.
  • Heitkamp, F., Michel, K., Raupp, J. & Ludwig, B. (2007): Kohlenstoff- und Stickstoff-Pools in einem Ackerboden nach 27 Jahren organischer und mineralischer Düngung. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 110/1, 197-198.
  • Jacobs, A., Rauber, R., Michel, K. & Ludwig, B. (2007): Einfluß von Bodenbearbeitung auf Aggregatstabilität sowie C- und N-Speicherung in Ackerböden zweier Langzeitversuche. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 110/1, 209-210.
  • Helfrich, M.,  Ludwig, B., Mikutta, R., Dreves, A. &  Flessa, H. (2006): Are chemical fractionation methods able to isolate stable soil organic matter pools? Geophysical Research Abstracts, Vol. 8, 06912.
  • Helfrich, M., Ludwig, B. & Flessa, H. (2005): Assessing the suitability of chemical fractionation methods for extracting stable soil organic matter pools. Mechanisms of organic matter stabilization and destabilization in Soils, 2nd International Conference, 55.
  • Ludwig, B., Roose, M. and Michel, K. (2005): Comparison of different approaches for modelling heavy metal transport in soils. Proceedings. Association of German Chemists (GDCh), Section Water Chemistry, AGM. May 22-24, Celle, Germany, 287-291.
  • Michel, K. and Ludwig, B. (2005): Modellierung der pH-Pufferung und des Kationen- und Schwermetalltransportes unter ungesättigten Bedingungen. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 107/1, 151-152.
  • Helfrich, M., Ludwig, B. and Flessa, H. (2005): Bewertung chemischer Fraktionierungsverfahren zur Gewinnung stabiler Pools der organischen Bodensubstanz. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 107/2, 643-644.
  • Ludwig, B., Helfrich, M. and Flessa, H. (2005): Modellierung der Kohlenstoffdynamik in Ackerböden mit dem Rothamsted Carbon Model. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 107/1, 259.
  • Terhoeven-Urselmans, T., Michel, K., Helfrich, M., Flessa, H. and Ludwig, B. (2005): Nahinfrarot-Spektroskopie ist zur Qualitätsbeurteilung von Böden geeignet. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft, 107/1, 281.
  • Ludwig, B., Khanna, P., Prenzel, J. and Beese, F. (2005). Patterns of heavy metal release from different types of ashes by sequential extraction methods. Proceedings. Association of German Chemists (GDCh), Section Water Chemistry, AGM. May 2-4, Bad Mergentheim, Germany, 431-435.
  • Michel, K., Matzner, E. Dignac, M.-F. & Kögel-Knabner, I. (2004): Release and properties of dissolved organic matter related to soil organic matter quality. Eurosoil Abstracts 2004, Freiburg, 316.
  • Helfrich, M., Yamashita, T., John, B., Ludwig, B. & Flessa, H. (2004): Mineral-associated and occluded particular organic matter in water stable aggregates of silty soils under different types of land use. Eurosoil Abstracts 2004, Freiburg, 372.
  • Ludwig, B. and Teepe, R. (2004): N2O-Emissionen in Frost-Tau-Perioden: Einfluss der Frostdauer und der Textur. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 103: 33-34.
  • Ludwig, B., John, B., Ellerbrock, R., Kaiser, M. and Flessa, H. (2003): Stabilisierung des maisbürtigen Kohlenstoffs in einem sandigen Boden: experimentelle und Modellierungsergebnisse. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 102,2: 369.
  • Michel, K., Ludwig, B. and Kölbl, A. (2003): Modellierung des Kationenaustauschs in gestörten und ungestörten Böden. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 102,1: 215-216.
  • John, B., Yamashita, T., Flessa, H. and Ludwig, B. (2003): Kohlenstoffumsatz in aggregierten Böden - Messung anhand der natürlichen 13C-Verteilung. Mitteilungen der Deutschen Bodenkundlichen Gesellschaft 102,2: 351-352.
  • Ludwig, B. and Hölscher, D. (2003): Nutrient retention in an Amazonian Ultisol: implications for sustainable land use. In: Challenges to Organic Farming and Sustainable Land Use in the Tropics and Subtropics. Deutscher Tropentag 2002.