Analysis on Correlation Content of Clay and Nutrient ofPlowed Layer of Paddy Field by the Grey Relation Grade
Wang Jianfei Xing Suzhi(Agronomy Department)
: In this paper the relational grey system is applied to analyse the correlation betweenclay content and soil nutrient of the plowed layer of thirteen sorts of representative paddy field inMingguang city. The following findings indicate that the order of the correlation degree of vari-ous soil untrient and physical clay is CEC exchangeable potassium total potassium totalnitrogen organic matter available phosphate total phosphate.
【CateGory Index】： S152