细菌微生物对高分子缓控释化肥降解性能的影响Effects of Microbes on Degradation Properties of Polymer Slow Controlled-Release Fertilizer
杨斌华;郭桂珍;孙友谊;王燕;刘亚青;
摘要(Abstract):
[目的]研究细菌微生物对高分子缓控释化肥降解性能的影响。[方法]以尿素、甲醛、磷酸二氢钾为原料,制备出高分子缓控释化肥。通过在淤泥中分离培养细菌微生物,同时与高温灭菌土做对比。[结果]与高温灭菌土相比,高分子缓控释化肥在细菌微生物的作用下,具有更快的养分释放速度和更高的失重率,80 d后分别达到98%和88%;SEM照片显示,在微生物的作用下,高分子缓控释化肥表面产生很多孔洞。[结论]该高分子缓释肥是一种可生物降解肥,是一种绿色化肥。
关键词(KeyWords): 细菌;缓控释肥;降解
基金项目(Foundation): 山西省回国留学基金项目(200964);; 山西省专利推广项目
作者(Author): 杨斌华;郭桂珍;孙友谊;王燕;刘亚青;
Email:
DOI: 10.13989/j.cnki.0517-6611.2012.09.171
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