【Objectives】Long-term fertilization affects soil phosphorus(P) fraction and availability. The change of soil P and P fractions contents and the availability of soil P under long-term different fertilization were investigated, which will offer scientific support for P management in the black soil.【Methods】The used longterm fertilization experiment was started in 1990 on a black soil in Gongzhuling City, Jilin Province. The cropping system was continues mono maize. The selected four treatments included no fer...
University of Liege, Passage des déportés 2, 5030 Gembloux, Belgium;3中国农业科学院农业环境与可持续发展研究所,北京100081;4吉林省农业科学院农业环境与资源研究中心,长春130033)联系方式:王琼E-mail:wqcaas@gmail.com;*通信作者张淑香E-mail:zhangshuxiang@caas.cn?
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