In this paper,Lou soil was amended with PAM at varied ratios of 0.1%,0.2% and 0.4%,and technique of phosphorus isotherm absorption and desorption was employed to study the effect of PAM on phosphorus retention and release in Lou soil.是什么意思_In this paper,Lou soil was amended with PAM at varied ratios of 0.1%,0.2% and 0.4%,and technique of phosphorus isotherm absorption and desorption was employed to study the effect of PAM on phosphorus retention and release in Lou soil.在线翻译_英语_读音_用法_例句