967 resultados para Saltpetre soils

Decomposition of plant materials in upland and submerged soils under different

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Decomposition of plant materials in upland and submerged soils under different climatic condition

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Effect of electrolytes on surface charge characteristics of red soils

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Effect of synergism and antagonism between metals on toxicity in soils

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Factors affecting diffusion of ions in soils

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Forms of rare earth elements in soils :II.differentiation of rare earth elements

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Forms of rare earth elements in soils: distribution

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Fractiontion of zinc in paddy soils of Chian

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Geographical tendencies of trace element contents in soils deri ed from granite

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Human activity and soil fertility-nutrients depletion of arable soils in China

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Mineral composition and weathering of soils derived from Xiashu loess

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Mineralization and transformation of nitrogen derived from plant meterials in soils in over 10 years

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Natural nitrogen-15 abundance of ammonium nitrogen and fixed ammonium in soils

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Relationship between iron oxides and surface charge characteristies in soils

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Salt-water dynamics in soils:II.Effect of crop planting

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