Biblioteca Digital

144 resultados para pfaffic acid

Consequence of adsorption of sulfate by acid red soils

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Study on composition of exchang acidity in acid soils

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Nitrogen forms in synthetic humic acid using nitrogen-15 nuclear resonance technique

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Ammonia olatilization from urea applied to acid paddy soil in southern china and

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Factors affecting senstivity of variable charge soils to acid rain

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Agronomic potential of partially acidulated rock phosphates in acid soils of subtrophical china

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Environmental acid rain-in-duced problems in soil and groundwater and management strategies in China mainland

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The occurrence of mugineic acid in the rhizosphere soil of barley plant

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Cinsequence of adsorption of sulfate by acid red soils

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Distribution,types and amelioration of acid sulphate soils in China

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Cinsequence of adsorption of sulfate by acid red soils

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On the genesis,characteristics and utilization of the acid sulphate paddy soil in Chian

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Acid-buffer capacity of ferrallitic soils in south China

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Study on composition of exchange acidity in acid soils

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The nitrogen forms of the non-hydrolyzable residue of humic acid

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