[ 发表于: Pollution ]
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结果 81-90 的 267
Proven profits from pollution prevention
1986-1989
Huisingh, Donald | Martin, Lawrence R.
National Agricultural Library - United States of America
Air pollution and forest decline
1989
Bucher, Jürg B. | Bucher-Wallin, Inga
National Agricultural Library - United States of America
Pesticides and PCBs in oysters from Mazatlan, Sinaloa, Mexico
1989
Martin, M. | Gutierrez-Galindo, E. (California Department of Fish and Game, Marine Pollution Studies Laboratory, Monterey, CA 93940 (USA))
Department for Environment, Food and Rural Affairs - United Kingdom
Air pollution injury to vegetation
1989
Taylor, H. J. | Ashmore, M. R. | Bell, J. N. B.
National Agricultural Library - United States of America
Watershed 89
1989
Wheeler, D. | Richardson, Mervyn | Bridges, J.
National Agricultural Library - United States of America
Plant stress from air pollution
1989
Treshow, Michael | Anderson, Franklin K.
National Agricultural Library - United States of America
Surface water pollution and its control
1989
Ellis, K. V. | White, G. | Warn, A. E.
National Agricultural Library - United States of America
The impact of fertilization and site preparation on natural regeneration of declined forest stands in the Black Forest
1989
Littek, T. (Freiburg Univ. (Germany, F.R.). Waldbau-Inst.)
ZB MED Nutrition. Environment. Agriculture - Germany
Results of long-term sucession of ground-vegetation after fertilization in forest stands of the Northern Black Forest
1989
Schornick, O. (Freiburg Univ. (Germany, F.R.). Inst. fuer Landespflege)
ZB MED Nutrition. Environment. Agriculture - Germany
