红三叶N、P、K、Ca、Mg元素含量与动态研究

钟华平, 杜占池

The Contents and Dynamics of N, P, K, Ca, Mg in Red Clover

Zhong Huaping, Du Zhanchi

. 1995, (2): 87 -94 . DOI: 10.11733/j.issn.1007-0435.1995.02.001