黔南荔波县水稻—根系土系统中硒含量影响因素分析
周文龙, 杨志忠, 张涛, 忙是材, 杨正坤

An analysis of factors influencing the selenium content in the rice-root soil system in Libo County, southern Guizhou Province
ZHOU Wen-Long, YANG Zhi-Zhong, ZHANG Tao, MANG Shi-Cai, YANG Zheng-Kun
图1 研究区采样位置
Fig.1 Sampling sites of the study area