摘要
通过对水稻土的磷等温吸附特征以及pH、振荡时间、液土比、支持电解质等4大因素对水稻土磷吸附-解吸影响的研究,得出结论:在水稻土对磷的吸附解吸特性研究中,较适宜的测定条件为pH=5,振荡时间为1h,液土比为20:1,支持电解质为0.01 mol.L-1的KCl溶液或0.01 mol.L-1的NaCl溶液。
The characteristics of phosphorus （P） absorption desorption of paddy soil was investigated. Furthermore, effects of pH, stirring time, ratio of solution to soil and supporting electrolyte on it were studied. The results showed that the suitable conditions of paddy soil P adsorption - desorption study were ： pH 5, stirring time 1 hour, ratio of solution to soil 20：1, supporting electrolyte 0.01mol· L-1KCl solution or 0. 1 mol· L-1NaCl solution.
出处
《嘉应学院学报》
2009年第3期50-52,共3页
Journal of Jiaying University
基金
梅州市科技计划项目(08KJ14)
嘉应学院博士科研启动项目(2007)
关键词
磷吸附-解吸
PH
振荡时间
液土比
支持电解质
P absorption - desorption
pH
stirring time
ratio of solution to soil
supporting electrolyte
