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Critical loads for nitrogen deposition on forest ecosystems.
1989
Schulze E.D. | Vries W. de | Hauhs M. | Rosen K. | Rasmussen L. | Tamm C.O. | Nilsson J.
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)
[The influence of forest fertilization on the fructification of mykorrhiza fungi and its effect to the nitrogen mineralization fungal by fruits on small forest sites]
1989
Mueller, C. (Tuebingen Univ. (Germany, F.R.). Fakultaet fuer Biologie) | Oberwinkler, F.
[Studies on the effects of neutral salt fertilizations within the framework of the project ARINUS]
1989
Zoettl, H.W. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Feger, K.H. | Simon, B.
[Effects of liming and fertilization measures on soils and trees]
1989
Beese, F. (Gesellschaft fuer Strahlen- und Umweltforschung m.b.H., Neuherberg (Germany, F.R.). Inst. fuer Bodenoekologie)
Effect of local air pollution on the sporophore production of mycorrhizal fungi, mycorrhizae and microbial activity in Scots pine forests
1989
Ohtonen, R. | Markkola, A.M. (Oulu University (Finland). Dep. of Botany)
Role of air pollution in forest decline in eastern North America
1989
Johnson, D.W. (Nevada Univ., Reno, NV (USA). Dept. of Range, Wildlife and Forestry) | Taylor, G.E.
