Biblioteca Digital

972 resultados para Bei yang shi fan xue tang (Tianjin, China)

Minerals in red soils deried from granite and basalt in China

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Oxidation-reduction regime in soils of tropical and subtropical china

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Properties and utilization of limestone soils in china

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Rare earth element-La and Ce in some tropical and subtropical soils of China

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Study on the erosion bearing capacity of soils in south china

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Nutrients recycling in farmlands of China:potential and problems

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Status and transformation of phosphoyus in tropical soils of china with special.

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Boron-dificient soil and their distribution in china

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Genetic characteristics of the soils in china

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Soil map of china

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Microelements in the main soils of china

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Soil erosion and its control in southers china

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Status of microelements in soils and their role in agriculture of china

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Trance elements in tropical and subtropical soils of china

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Problems of soil erosion and soil degradation in the red soil region of china

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