Affiner votre recherche
Résultats 1-10 de 28
[Short- und long-term effects of time application and mineral fertilization on the soil fauna of Norway spruce stands]
1989
Funke, W. (Ulm Univ. (Germany, F.R.). Abt. Oekologie und Morphologie der Tiere) | Jans, W.
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)
[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.
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.)
[Effects of nitrate and sulphate fertilizers on soil-pH and nutrient element supply of Norway spruce and European beech stands]
1989
Liu, J.C. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre) | Ende, H.P.
[Effects of a fertilization measure on forest stands and seepage water]
1989
Krebs, A. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Stuttgart (Germany, F.R.). Abt. Botanik und Standortskunde)
[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 chronical effect of gaseous and soluted substances on young fir, Norway spruce and beech trees in model ecosystems]
1989
Seufert, G. (Hohenheim Univ. (Germany, F.R.). Inst. fuer Landeskultur und Pflanzenoekologie) | Arndt, U.
Comparative physiological and biochemical investigations of spruce trees damaged by immissions in context with forest decline in the Northern Black Forest
1990
Wild, A. (Mainz Univ. (Germany, F.R.). Inst. fuer Allgemeine Botanik) | Forschner, W.
Detection of damages of trees with time resolved luminescence
1990
Schneckenburger, H. (Fachhochschule Aalen (Germany, F.R.)) | Schmidt, W.
