[ 发表于: Pollution ]
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Effects of nitrogen-containing fertilizers on solubility and plant uptake of cadmium
1990
Eriksson, J.E. (Swedish Univ. of Agricultural Sciences, Uppsala (Sweden). Dept. of Soil Sciences)
Wageningen University & Research - Netherlands
Inherent differences in response of Douglas fir families to nitrogen and phosphorus supply levels
1990
Driessche, R. van den (Ministry of Forests, Victoria, B.C. (Canada). Research Lab.) | El-Kassaby, Y.A.
Wageningen University & Research - Netherlands
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.
Wageningen University & Research - Netherlands
The short-term effects of wood-ash amendment on forest soils
1990
Unger, Y.L. (Maine Univ., Orono, ME (USA). Dept. of Plant and Soil Sciences) | Fernandez, I.J.
Wageningen University & Research - Netherlands