Zhuo, M.; Hu, Y.; Schmidhalter, U.
Impact of agricultural and environmental policy on fertilizer consumption and production in the European Union
Phosphate and Compound Fertilizer
2004
19
2
11-14

Wieser, H.; Gutser, R.; v.Tucher, S.
Influence of sulphur fertilisation on quantities and proportions of gluten protein types in wheat flour
Journal of Cereal Science
2004
40
239-211

Weber, A.; Gutser, R.; Schmidhalter U.
Effect of New Urease Inhibitors on Gaseous N Emissions (NH3, NOx, N2O) Following Surface Application to Arable Soil
271-272
Proceedings of the Int. Conference, Greenhouse Gas Emissions from Agriculture - Mitigation Options and Strategies
2004

Weber, A.; Gutser, R.; Michel, HJ.; Wozniak, H.; Chen, GX.; Xu, H.; Niclas, HJ.
Dicyandiamide and 1H-1,2,4-Triazole – a new effective nitrification inhibitor for reducing nitrous oxide emissions from cultivated land
273-275
Proceedings of the Int. Conference, Greenhouse Gas Emissions from Agriculture - Mitigation Options and Strategies
2004

Schmidhalter, U; Bredemeier, Ch.; Jungert, St.; Blesse, D.
Lasersensorik zur Erfassung des Stickstoffstatus und der Biomasse von Pflanzen
29-33
Bornimer Agrartechnische Berichte
2004

Nykänen, A.; Heuwinkel, H.; Losges, R.; Locher, F.
Comparsion of NIRS based methods to determine legume content of mixed swards
282-285
Adaption and Management for Forage Legumes – Strategies for Improved Reliability in Mixed Swards
2004

Mistele, B.; Gutser, R.; Schmidhalter, U.
Validation of Field-Scaled Spectral Measurements of the Nitrogen Status in Winter Wheat
1187-1195
Program book of the joint conference ICPA
2004

Loges, R.; Heuwinkel, H.
Mulchen oder Schnittnutzung von Kleegras-Auswirkung der Bewirtschaftung von Kleegrasbeständen auf den N-Haushalt von Fruchtfolgen
21-25
Bundesprogramm Ökologischer Landbau
Bundesanstalt für Landwirtschaft und Ernährung (BLE)
Verlag Köster
2004

Khalvati, M.A.; Hu, Y.; Schmidhalter, U.
Quantification of water uptake by hyphae with split-root-hyphae system in barley under drought conditions
43-49
Ökophysiologie des Wurzelraumes
Merbach W., Egle K., et al.
Vieweg+Teubner Verlag
2004

Khalil, M.I.; Van Cleemput, O.; Rosenanic, A.B.; Schmidhalter, U.
Anthropogenic and climatic variables influencing N2O emissions from an upland cropping system
41-42
Proceedings of the VIII ESA Congress: European Agriculture in the Global Context (Extended)
2004