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包膜控释肥养分释放特性评价方法的研究进展
引用本文:杜建军,廖宗文,宋波,朱兆华.包膜控释肥养分释放特性评价方法的研究进展[J].植物营养与肥料学报,2002,8(1):16-21.
作者姓名:杜建军  廖宗文  宋波  朱兆华
作者单位:1.华南农业大学新肥料资源研究室 广东广州510642
基金项目:国家自然科学基金项目(39870433);芭田基金项目(BJ2000-01)资助.
摘    要:控释肥已成为国内外肥料研究的热点 ,但是评价控释肥养分释放特性的方法研究相对滞后 ,至今没有较为完善的方法和统一的测试标准。本文综述了包膜控释肥养分释放特性的现有评价方法 :水中 (或溶液 )溶出率法、土壤溶出率法、扩散率法、渗透率法、电超滤法和同位素示踪法等 ;评述了各种方法的优缺点及改进途径 ;并展望了今后评价方法的研究方向

关 键 词:包膜控释肥    养分释放    评价方法
文章编号:1008-505X(2002)01-0016-06
修稿时间:2000年7月28日

Progress on evaluation methods for nutrient release characteristic of coated controlled release fertilizers
DU Jian jun,LIAO Zong wen,SONG Bo,ZHU Zhao hua.Progress on evaluation methods for nutrient release characteristic of coated controlled release fertilizers[J].Plant Nutrition and Fertilizer Science,2002,8(1):16-21.
Authors:DU Jian jun  LIAO Zong wen  SONG Bo  ZHU Zhao hua
Affiliation:1.College of Resou. and Envir.;South China Agric. Univ.;Guangzhou 5610642;China
Abstract:Controlled release fertilizers (CRFs) have become a hotspot in fertilizer research in both domestic and abroad, but the researches in evaluation methods for nutrient release characteristic of CRFs are relatively backward. Up to now, there has not been perfect method and unified testing standard. This paper reviewed the present evaluation methods: water (or solution) dissolution rate method, soil dissolution rate method, infiltrate method, permeability method, isotopic tracer method and electroultrafiltration method , analyzing the merit, the shortcoming and the improving way of them and prospecting the direction of the evaluation methods in the future.
Keywords:
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