摘要
Since the extension of the techniquefor applying RE to crops,various RE-con-taining fertilizer have been produced,and applied to agriculture in many pro-vinces and autonomous regions with greatachievements.In Jiangsu Province,the application ofa highly effective composite fertilizercontaining RE to about 134000 hectare oftea,watermelon,cotton,soybean,wheatand many other crops gave an increase
