淀粉基缓释尿素膜材料的研究(英文)

Membrane of the Slow-releasing Urea Fertilizer of Starch-based

采用天然玉米淀粉为主要原料制备了环保、高效的淀粉基缓释尿素膜材料。通过改变交联剂的加入量来调节其交联程度以达到良好的缓释效果,从而满足植物生长所需的养分。结果表明:淀粉基缓释尿素膜材料具有优良的缓释效果,15d内累积释放率不超过30%,已达到欧洲缓释肥料标准。

The membrane of the slow-releasing urea fertilizer was prepared mainly by com starch,which was efficiency and green.In order to fulfill plants nutrition demand and obtain the better slow-releasing property,cross linking density was adjusted by the content of cross-linker.The results showed that the membrane of the slow-releasing urea fertilizer matched the Controlled Release Fertilizer Standard formulate by Europe,which cumulative liquation rate is less than 30%.