Graduate students

Thünen Institut of Climate-Smart Agriculture
Bundesallee 50
D-38116 Braunschweig

Phone:  +49 531 596-2537
Email: caroline.buchen[at]ti.bund.de

Supervisor: Prof. Dr. Heinz Flessa
Project E2: Impact of grassland renovation/conversion on greenhouse gas emissions, water pollution and need-oriented fertilization.

Institute of Grassland Science
Georg-August-University of Goettingen
Von-Siebold-Str. 8
D-37075 Göttingen

Phone: 0049-551-394308
Email: Dorothee.Ebeling[at]agr.uni-goettingen.de

Supervisor: Prof. Dr. Johannes Isselstein
Project A1: Productivity, nitrogen cycling and phytodiversity in patches of heterogeneous swards of continuously grazed cattle pastures

Section of Soil Biology and Plant Nutrition
Nordbahnhofstr. 1a
D-37213 Witzenhausen

Phone: 0049-5542-981523
Email: sibyllefaust[at]uni-kassel.de

Supervisor: Prof. Dr. Rainer Georg Jörgensen
Project C2: Effects of three tillage intensities on soil temperature, moisture and respiration

Thünen Institut of Climate-Smart Agriculture
Bundesallee 50
D-38116 Braunschweig

Phone:  +49 531 596-2670
Email: marco.gronwald[at]ti.bund.de

Supervisor: Prof. Dr. Heinz Flessa
Project E1: Char application to agricultural used soils: nutrient retention and stability

Section of Environmental Chemistry
Nordbahnhofstr. 1a
D-37213 Witzenhausen

Phone: 0049-5542-981503
Email: grunwald[at]uni-kassel.de

Supervisor: Prof. Dr. Bernard Ludwig
Project B1: Effects of biochar, organic fertilizers and temperature on soil aggregate and carbon dynamics

Section of Organic Plant Production and Agrosystems Research in the Tropics and Subtropics
Steinstr. 19
D-37213 Witzenhausen

Phone: 0049-5542-981204
Email: khanal@uni-kassel.de

Supervisor: Prof. Dr. Andreas Bürkert
Project F1: Impact of labeled goat faeces on C and N pools in a subtropical soil with different water regimes

Section of Animal Nutrition and Animal Health
Nordbahnhofstr. 1a
D-37213 Witzenhausen

Phone: 0049-5542-981517
Email: Stephanie.Meyer@uni-kassel.de

Supervisor: Prof. Dr. Albert Sundrum
Project D1: Composition of faeces from cattle and their impact on nutrient availability and the emission potential of nitrogen and carbon compounds

Section of Environmental Chemistry
Nordbahnhofstr. 1a
D-37213 Witzenhausen

Phone: 0049-5542-981503
Email: anja.nuesse[at]uni-kassel.de

Supervisor: Prof. Dr. Bernard Ludwig
Project B2: Impact of management intensity and practices on organic C and N dynamics in soils of grazed and mowed grassland

Section of Animal Husbandry in the Tropics and Subtropics
Steinstr. 19
D-37213 Witzenhausen

Phone:
Email:

Supervisor: Prof. Dr. Eva Schlecht
Project D2: Effects of water restriction on nitrogen balance and partitioning between urine and faeces in goats

Section of Grassland Science and Renewable Plant Resources
Steinstr. 19
D-37213 Witzenhausen

Phone: 0049-5542-981339
Email: hsafari[at]uni-kassel.de

Supervisor: Prof. Dr. Michael Wachendorf
Project A2: A combined sensing technique to evaluate spatio-temporal patterns of sward structural and functional parameters in heterogenous pastures

Section of Soil Biology and Plant Nutrition
Nordbahnhofstr. 1a
37213 Witzenhausen

Phone: 0049-5542-981523
Email: juliane.struecker[at]uni-kassel.de

Supervisor: Prof. Dr. Rainer Georg Jörgensen
Project C1: C-Dynamics in subsoil of organic agricultural sites - Factors controlling C-sequestration and C-turnover

Husam Al-Asfoor
Department of Animal Husbandry in the Tropics and Subtropics
Supervisor: Prof. Dr. Eva Schlecht
Subproject D2:  Effects of feeding ruminants under subtropical conditions on the quality of farm manure with special reference to nutrient availability and plant growth

----------------------------------------

Rouven Andruschkewitsch
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject A2: Comparison of the effects of conventional, conservation and no-till farming on labile soil C and N pools

----------------------------------------

Mohammed Al-Rawahi
Department of Organic Crop Production and Agroecosystem Research
in the tropics and subtropics
Supervisor: Prof. Dr. Andreas Bürkert
Subproject F2: Gaseous and leaching-induced C and N losses from fertilized and irrigated croplands of subtropical mountain oases

----------------------------------------

Steffi Apenburg
Department of Animal Husbandry in the Tropics and Subtropics
Supervisor: Prof. Dr. Eva Schlecht
Subproject D2: Variation of N excretion via feces and urine in relation to water intake by goats in subtropical Oman.

----------------------------------------

Anja Bergstermann
Institute of Temperate Ecopedology
Supervisor: PD Dr. Heiner Flessa
Subproject E2: Influence of topsoil humus accumulation on nitrogen dynamics with special reference to N2O release.

----------------------------------------

Stefanie Heinze
Department of Soil Biology
Supervisor: Prof. Dr. Rainer-Georg Joergensen
Subproject C2: Interactions of soil properties, aboveground biomass and belowground microbiological properties of soils

----------------------------------------

Felix Heitkamp
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject A1: Significance of crop rotations and fertilization on labile C and N pools in sandy and silty soils of temperate and subtropical climates

----------------------------------------

Sandra Herrmann
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject B1: Investigation and modeling of the dynamics of ions under unsaturated conditions in sandy and silty soils

----------------------------------------

Mariko Nadine Ingold
Department of Organic Crop Production and Agroecosystems
research in the tropics and subtropics
Supervisor: Prof. Dr. Andreas Bürkert
Subproject F1: Influence of polyphenols and biochar on the turnover of manure in irrigated agricultural systems of the subtropics

----------------------------------------

Anna Jacobs
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject A2: Effect of tillage on labile C and N pools: Investigations and modeling

----------------------------------------

Nadine Jäger
Institute for Ecopedology of Temperate Zones
Supervisor: PD Dr. Heiner Flessa
Subproject E1: Nitrogen transformation and N2O _releasein a crop rotation with different N fertilization strategies: Mineral fertilization, organic farm manure, N2 _fixation

----------------------------------------

Daphne Jost
Department of Soil Biology and Plant Nutrition
Supervisor: Prof. Dr. Rainer Georg Jörgensen
Subproject D1: Effect of dairy cow manure quality on nutrient availability for microbial and plant growth

----------------------------------------

Deborah Linsler
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject A1: Effects of tillage of grassland on labile C and N pools in soil under management with different intensities

----------------------------------------

Rajasekaran Murugan
Department of Soil Biology and Plant Nutrition
Supervisor: Prof. Dr. Rainer Georg Jörgensen
Subproject C1: Influence of the conversion of grassland with differing cultivation intensities on microbial soil properties

----------------------------------------

Christiane Piegholdt
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject B1: Effects of different tillage methods and winter greening on soil N and P dynamics

----------------------------------------

Greta Roth
Thünen Institute for Agricultural Climate Research
Supervisor: Prof. Dr. Heinz Flessa
Subproject E2: Influence of grassland conversion on the processes of C and N transformation in soils and their evaluation in the context of climate effectiveness

----------------------------------------

Nils Rottmann
Department of Soil Biology and Plant Nutrition
Supervisor: Prof. Dr. Rainer Georg Jörgensen
Subproject C1: Degradation and microbial colonization of double-labeled litter in "litter-bags" or freely mixed in the soil in ecologically managed soils of temperate and tropical climates

----------------------------------------

Anja Sänger
Department of Environmental Chemistry
Supervisor: Prof. Dr. Bernard Ludwig
Subproject B2: Gas fluxes and leachate discharges of differently fertilized arable soils as a function of soil moisture.

----------------------------------------

Konrad Siegfried
Department of Ecological Crop Production and Agroecosystem Research
in the tropics and subtropics
Supervisor: Prof. Dr. Andreas Bürkert
Subproject F1: Gaseous and leachate-induced C and N losses from fertilized and irrigated croplands of a subtropical coastal oasis

----------------------------------------

Andrè Sradnick
Department of Soil Biology and Plant Nutrition
Supervisor: Prof. Dr. Rainer Georg Jörgensen
Subproject C2: Interactions of soil properties, aboveground biomass and belowground microbiological properties of soils

----------------------------------------

Melanie Willich
Department of Organic Crop Production and Agroecosystems
research in the tropics and subtropics
Supervisor: Prof. Dr. Andreas Bürkert
Subproject F2: Leaching of dissolved organic carbon, nitrogen and phosphorus in a sandy subtropical soil

---------------------------------------

Ulrike Wolf
Thünen Institute for Agricultural Climate Protection
Supervisor: Prof. Dr. Heinz Flessa
Subproject E1: Effect of the application of digestate from biogas plants on carbon and nitrogen transformation in soils

Andrè Sradnick
Department of Soil Biology
Nordbahnhofstr. 1a
37213 Witzenhausen

Phone: 0049-5542-981664
Email: andre.sradnick@uni-kassel.de

Supervisor: Prof. Dr. Rainer Georg Jörgensen
Subproject C2: Interactions of soil properties, above-ground biomass and below-ground microbiological properties of soils