[ 发表于: Pollution ]
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出版日期

结果 241-250 的 266

(Tasks to be solved by agriculture - effects of specific measures and requirements for water protection on the results achieved by the farm)

1993

Pahmeyer, L. (Landwirtschaftskammer Westfalen-Lippe, Muenster (Germany). Abt. Betriebsfuehrung, Markt und Beratung)

ZB MED Nutrition. Environment. Agriculture - Germany


(The implementation of strategies to avoid water pollution by "Arbeitskreis Ackerbau und Wasser im linksrheinischen Koelner Norden e. V.")

1993

Fokken, B. (Gas-, Elektrizitaets- und Wasserwerke, Koeln (Germany). Abt. Wasserwirtschaft) | Wolf, A.

ZB MED Nutrition. Environment. Agriculture - Germany




(Nutrient problems from the viewpoint of water management)

1993

Hamm, A. (Bayerische Landesanstalt fuer Wasserforschung, Muenchen (Germany). Versuchsanlage Wielenbach)

ZB MED Nutrition. Environment. Agriculture - Germany

(Problems caused by nitrogen - the evaluation of ecopolitical instruments)

1993

Scheele, M. (Goettingen Univ. (Germany). Inst. fuer Agraroekonomie) | Isermeyer, F. | Schmitt, G.

ZB MED Nutrition. Environment. Agriculture - Germany


(Tasks to be solved by agriculture - water conservation by soil conservation)

1993

Auerswald, K. (Technische Univ. Muenchen, Freising (Germany). Lehrstuhl fuer Bodenkunde)

ZB MED Nutrition. Environment. Agriculture - Germany