[ Опубликовано в: Pollution ]
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Common treatment of sewage sludge and animal waste slurries in covered digesters
1992
Linke, B. | Kolisch, G. (Essen Univ. (Germany). Inst. fuer Umwelttechnik)
Food and Agriculture Organization of the United Nations - Italy
Nitrogen cycling in two Norway spruce (Picea abies) ecosystems and effects of a (NH4)2SO4 addition
1992
Feger, K.H. (Albert-Ludwig-University, Freiburg (Germany). Inst. of Soil Science and Forest Nutrition)
Wageningen University & Research - Netherlands
Soil acidification and element fluxes of a Fagus sylvatica forest as influenced by simulated nitrogen deposition
1992
Bergkvist, B. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Folkeson, L.
Wageningen University & Research - Netherlands