Effect of N,P,K Fertilizers on Fe,Zn,Cu,Mn,Ca and Mg Contents and Yields in Rice
E Sheng-zhe ,YUAN Ji-chao ,DING Zhi-yong ,YAO Feng-juan ,YU Xiao-ping ,LUO Fu-xiang
Chinese Journal of Rice Science . 2005, (5): 434 -440 .