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Resultados 51-60 de 219
[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)
[Possibilities and limits of fertilization for re-stabilizing diseased forest stands]
1986
Isermann, K. (BASF A.G., Limburgerhof (Germany, F.R.). Landwirtschaftliche Versuchsstation)
[Alterations in the humus situation in connection with forest diseases with special regard to fertilization experiments]
1986
Babel, U. (Hohenheim Univ., Stuttgart (Germany, F.R.). Inst. fuer Bodenkunde und Standortslehre)
[Benefits and risks of forest fertilization with special regard to soil chemistry]
1986
Hildebrand, E.E. (Forstliche Versuchs- und Forschungsanstalt Baden-Wuerttemberg, Freiburg (Germany, F.R.))
Aquifer restoration: state of the art.
1986
Knox Robert C.
Effect of air pollution on plants = | Invloed van luchtverontreiniging op planten
1986
Posthumus, A. C.
Uptake of Al, Ca and P in black spruce seedlings: effect of organic versus inorganic Al in nutrient solutions
1986
Arp, P.A. (New Brunswick Univ., Fredericton (Canada)) | Ouimet, R.
Fish species distribution in relation to water chemistry in selected Maine lakes
1986
Pauwels, S.J. (Maine Univ., Orono (USA). Zoology Dept.) | Haines, T.A.
Determination of a chemical basis of air-pollution stress in wood of mature white pine trees in the susceptive forest ecosystems
1986
Pathak, S.N. (Toronto Univ. (Canada). Faculty of Forestry) | Love, D.V. | Roy, D.N.
Chemical composition of precipitation at Long Island, NY
1986
Lee, Y.N. (Brookhaven National Lab., Upton, NY (USA). Dept. of Applied Science, Environmental Chemistry Div.) | Shen, J. | Klotz, P.J.
