321
Untersuchungen zum Stickstoffhaushalt in einem stickstoffübersättigten Waldökosystem: Höglwald: Teilprojekt Charakterisierung des Stickstoffhaushaltes der Fichten/Buchen : Abschlussbericht /
Book
322
Miscanthus sinensis : KTBL Fachgespräch, Dokumentation : Braunschweig, 11.09.90-12.09.90
Book
323
Pesticides in tropical agriculture : Symposium on pesticides in tropical agriculture: a collection of papers : Meeting of the American Chemical Society. 0126 : New-York, NY, 09.54
Book
324
Nitrogen fixation : hundred years after : proceedings of the 7th International Congress on N = Nitrogen Fixation, Köln (Cologne), March 13-20,1988 : with 81 tables /
Book
325
Minirhizotron observation tubes : methods and applications for measuring rhizosphere dynamics: symposium: proceedings : New-Orleans, LA, 03.12.86 /
Book
326
Population genetics in forestry : meeting of the IUFRO working party ecological and population genetics, proceedings : Göttingen, 21.08.84-24.08.84.
Book
327
Moving up the yield curve: advances and obstacles : Moving up the yield curve: symposium: collection of papers : American Society of Agronomy and Soil Science Society of America annual meetings : 1978: proceedings : Chicago, IL, 03.12.78-08.12.78.
Book
328
Rural change : The challenge for agricultural economists. Proceedings : Agricultural economists : international conference. 0017 : Banff, 03.09.1979-12.09.1979.
Book
329
European Society of Nuclear Methods in Agriculture: annual meeting. 0012: proceedings : ESNA: annual meeting. 0012: proceedings : Aberdeen, 28.09.81-03.10.81.
Book
330
Wirkstofforschung. 1982 : Problemplanung und Organisation in der Wirkstofforschung Seminar. 0007 : Halle, 05.81.
Book
331
Upgrading waste for feeds and food : Easter school in agricultural science 0036 : Nottingham, 1982.
Book
332
Naturschutz in Agrarlandschaften : Umweltforschung : Tagung : Hohenheim, 01.83.
Book
333
Efficient use of fertilizers in agriculture : Proceedings : Research into agro technical methods aiming at increasing the productivity of crops - co efficients for the most efficient use of fertilizer nutrients and means for reducing the losses of nutrients to the environment under the conditions of intensive agriculture: symposium : Geneve, 17.01.83-21.01.83.
Book
334
Regulation of sources and sinks in crop plants : proceedings of a symposium : Heslington, 25.09.1984-26.09.1984 /
Book
335
Agricultural policies in emerging and transition economies. 1999,1 /
Book
1999
336
Entwicklung biologischer Verfahren zur Bekämpfung der Kohleule und saugender Insekten (weisse Fliege, mehlige Kohlblattlaus) zur Ergänzung eines integrierten Pflanzenschutzkonzepts im Kohlanbau /
Book
337
Rethinking risk : a pilot multi-criteria mapping of a genetically modified crop in agricultural systems in the UK /
Book
338
Responses of northern US forests to environmental change /
Book
339
Ermittlung des Interzeptionsverlustes in Waldbeständen bei Regen : DK 551.577.52, Interzeption : DK 556.123, Regen /
Book
340
Handbuch zum Gewässerschutz in der Landwirtschaft /
Book