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结果 51-60 的 219
[Forest fertilization and nitrate stress of seepage-, surface and springwater]
1986
Evers, F.H. (Forstliche Versuchs- und Forschungsanstalt, Freiburg im Breisgau (Germany, F.R.))
[Effects of earlier calcium fertilizations in Norway spruce and silver fir stands of red sandstone in the Black Forest]
1986
Aldinger, E. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde und Waldernaehrungslehre)
[Studies comparing mycorrhizae in different soil depths fertilized and unfertilized stands]
1986
Haug, I. (Tuebingen Univ. (Germany, F.R.). Lehrstuhl Spezielle Botanik) | Kottke, I. | Oberwinkler, F.
[The influence of fertilization measures in forests upon some species of the soil fauna of forest ecosystems]
1986
Kreimes, K. | Thielemann, U.
Quality and utilization of wood from damaged trees
1986
Becker, M. (Freiburg Univ. (Germany, F.R.). Inst. fuer Forstpolitik und Raumordnung)
Aquifer restoration: state of the art.
1986
Knox Robert C.
Metal distribution and interaction in plant cultures on artificial soil
1986
Azpiazu, M.N. (Escuela Superior de Ingenieros Industriales, Bilbao (Spain). Dept. de Quimica) | Romero, F. | Diaz, J.M.
Sulphur gas emissions in the boreal forest: the West Whitecourt case study [Canada], 7: pine tree physiology
1986
Amundson, R.G. (Cornell Univ., Ithaca, NY (USA). Boyce Thompson Inst. for Plant Research) | Walker, R.B. | Legge, A.H.
Monthly mean spatial variations of dry deposition velocities of oxides of sulphur and nitrogen
1986
Voldner, E.C. (Environment Canada, Downsview, Ont. (Canada)) | Sirois, A.
Modelling of throughfall chemistry and indirect measurement of dry deposition
1986
Johannes, A.H. (Oklahoma State Univ., Stillwater (USA). School of Chemical Engineering) | Chen, Y.L. | Dackson, K. | Suleski, T.
