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Результаты 191-200 из 329
Effects of calcined magnesite, magnesium hydroxide and "Geosan" on soil properties in declining spruce stands (NE Bavaria)
1990
Schaaf, W. (Bayreuth Univ. (Germany, F.R.). Inst. of Soil Science and Soil Geography) | Zech, W.
Correction of magnesium deficiency in a young stand of Norway spruce
1990
Monchaux, P. (Association Foret-Cellulose, Charrey-sur-Saone (France)) | Thivolle-Cazat, A.
Foliar potassium status explains Douglas fir response to nitrogen fertilization in the Inland Northwest, USA
1990
Mika, P.G. (Idaho Univ., Moscow, ID (USA). Dept. of Forest Resources) | Moore, J.A.
Anaerobic treatment of potato-processing wastewater by a UASBR-UAF system at low organic loadings
1990
Guo, J. (Tienjin Univ. (China). Dept. of Civil Engineering) | Lin, K.C.
Liming and wet acid deposition effects on tree growth and nutrition: experimental results
1990
Tveite, B. (Norwegian Forest Research Inst., Aas (Norway)) | Abrahamsen, G. | Stuanes, A.O.
Effects of liming and fertilization on soil solution chemistry in North German forest ecosystems
1990
Matzner, E. (Goettingen Univ. (Germany, F.R.). Forschungszentrum Waldoekosysteme) | Meiwes, K.J.
Effects of liming on carbon and nitrogen mineralization in coniferous forests
1990
Persson, T. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Ecology and Environmental Research) | Wiren, A. | Andersson, S.
Effect of water and nutrient supply on root distribution in an Eucalyptus globulus plantation
1990
Fabiao, A. (Instituto Superior de Agronomia, Lisboa (Portugal)) | Madeira, M. | Steen, E.
Foliar symptoms on Norway spruce and relationships to magnesium deficiencies
1990
Ke, J. (Pennsylvania State Univ., University Park, PA (USA). Dept. of Plant Pathology) | Skelly, J.M.
Simulation of nutrition of forests under stress using FORCYTE-11
1990
Kimmins, J.P. (British Columbia Univ., Vancouver, B.C. (Canada). Dept. of Forest Sciences)