Preliminary report on environmental quality evaluation of production area for pollution-free longan ( Dimocarpus Lour.) in Chongqing.

摘要

Based on monitoring the quality of irrigation water and soil in production demonstration plots of pollution-free Dimocarpus longan Lour., Jiangjin and Yongchuan, Chongqing and then we evaluated it. The result indicated that nine irrigation water indexes, seven soil indexes met the requirements of 'Safety qualification for agricultural product Environmental requirements for origin of pollution-free fruit', which were completely accorded with the standard as pollution-free D. longan production base.