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Leaching and Redistribution of Nutrients in Surface Layer of Red Soils in Southeast China

作  者:
SUN BO;ZHANG TAOLIN;ZHAO QIGUO
单  位:
关键词:
leaching;nutrients;red soils;redistribution;southeast china
摘  要:
The leaching and redistribution of nutrients in the surface layerof 4 types of red soils in Spoutheast China were studied with alysimeter experiment under field conditions. Results showed that theleaching concentrated in the rainy season (from April to June).Generaily, the leaching of soil nutrients from the surface layer ofred soils was in the order of Ca > Mg > K > NO_3-N. In fertilizationtreatment, the total amount of soil nutrients leached out of thesurface layer in a red soil derived from granite was the highest inall soils.

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