[ 发表于: Pollution ]
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结果 1-4 的 4
[Anthropogenic changes of forest ecosystems. History - present - future]
1987
Ulrich, B. (Goettingen Univ. (Germany, F.R.). Inst. fuer Waldernaehrung)
ZB MED Nutrition. Environment. Agriculture - Germany
[Investigations on nutrition state of beech [Fagus sylvatica L.] and spruce [Picea abies Karst.] and nutrient content on fixed sample plots in Switzerland]
1987
Flueckiger, W. (Institut fuer Angewandte Pflanzenphysiologie, Schoenenbuch (Switzerland))
ZB MED Nutrition. Environment. Agriculture - Germany
[Nutrient supply of middle European commercial forests]
1987
Zoettl, H.W. (Goettingen Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrung)
ZB MED Nutrition. Environment. Agriculture - Germany
[Sanitary measures of roadside soils damaged by deicing salt]
1988
Duees, G. (Hamburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde)
ZB MED Nutrition. Environment. Agriculture - Germany
