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Resultados 1-4 de 4
The effect of nitrogen and potassium availability on scleroderris canker of Scots pine seedlings
1990
Ylimartimo, A. (Helsinki Univ. (Finland). Dept. of Silviculture)
Wageningen University & Research - Netherlands
Influence of industrial wastes on physico-chemical properties of soil and germination and mineral composition of wheat
1990
Tripathi, B.D. (Banaras Hindu Univ., Varasani (India). Centre of Advanced Study in Botany) | Dwivedi, R.K. | Tripathi, 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