In this paper,use of agricultural geological survey data,geochemistry of the land quality classification,gradation programme.Through the land elements - soil,water,air,plants (staple crops),the medium consisting of geochemical studies,in the light of prevailing now the country or industry standards,the quality of the land will be divided into six grades,and 36 classification,Initially established a land quality geochemical grade classification system,land quality and grade of the sound system provided a geo...
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