论文部分内容阅读
涂层尿素是一种化肥新品种,是在普通尿素表面涂以一层胶状物质及作物生长必须的微量元素为主要成分的涂层溶液,经干固而成。为大面积推广使用涂层尿素,我们对水稻施用涂层尿素的效果进行了试验,结果如下。供试涂层尿素为河北沧州化肥厂生产,用以对照的普通尿素为辽河...
Coated urea is a new variety of fertilizers. It is a coating solution that is coated with a layer of gelatinous substance and trace elements essential for crop growth. To promote the use of coated urea for a large area, we tested the effect of coated urea on rice. The results are as follows. The test coating urea for the production of fertilizer plant in Cangzhou, Hebei, to control the general urea Liaohe ...