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申请(专利权)人:宁夏农林科学院申请日期:2013.03.11申请(专利)号:CN201310076542主分类号:C05G3/00本发明涉及一种冬小麦缓释肥及其制备方法。其特点是,按重量百分比计组成为:普通过磷酸钙41%、氯化钾4%、双氰氨1.8%~2.5%、腐植酸4.2%~6.5%、硅藻土或粘土3%~5%,余量为尿素。经过试用证明,本发明的冬小麦缓释肥
Application Title 申请 号 Ningxia Academy of Agriculture and Forestry Application Date 申请 日 2013.03.11 Application (Patent) No. CN201310076542 主要 CLC number: C05G3 / 00 The present invention relates to a slow-release fertilizer for winter wheat and a preparation method thereof. The invention is characterized in that the composition comprises the following components in percentage by weight: 41 percent of ordinary superphosphate, 4 percent of potassium chloride, 1.8 percent to 2.5 percent of dicyandiamide, 4.2 percent to 6.5 percent of humic acid, 3 percent to 5 percent of diatomaceous earth or clay %, The balance of urea. After trial proved that the slow-release fertilizer for winter wheat of the present invention