摘要
初步测试了3种自制的包膜控效肥的控释性能。结果显示:包膜CAF1、CAF4、CAF5的厚度分别为0.32、0.29和0.34mm,其重量分别占26.05%、19.75%和19.35%;3种控效肥在水中的溶解速度和氮溶出率均显著慢于未包膜的肥料,说明自制的控效肥有相当明显的控释作用和各自的养分释放特征。
The performance of three kinds of homemade controlled-release fertilizers were tested. The results indicated that the envelope thickness of the three kinds of controlled-release fertilizers were CAF1 0.32 mm, CAF4 0.29 mm, CAF5 0.34 mm, and the weight of the envelopes accounted for respectively CAF1 26.05%, CAF4 19.75%, CAF5 19.35% of the total weight of the fertilizers. The deliquescent speed and nitrogen-dissolving rate of the three kinds of controlled-release fertilizers were significantly lower than those of the fertilizers without envelope, which indicated that the homemade controlled-release fertilizers were effective with respective nutrient releasing characteristics.
出处
《热带农业科学》
2005年第6期20-23,共4页
Chinese Journal of Tropical Agriculture
基金
橡胶研究所创新基金资助项目
关键词
控效肥
包膜
氮溶出率
controlled-release fertilizer
envelope
dissolving rate of nitrogen
作者简介
联系电话：（0898）23301402（办）；E-mail：chilliwei@163．com。
通讯作者。
