丘陵区土地质量地球化学调查方法技术——以服务赣州六县精准脱贫土地质量地球化学调查为例

陈国光, 梁晓红, 张洁, 杨忠芳

Geochemical survey method of land quality in hilly areas:A case study of the geochemical survey of land quality in Ganzhou

Guo-Guang CHEN, Xiao-Hong LIANG, Jie ZHANG, Zhong-Fang YANG

图3 江西禾丰东光村中更新统进贤组地质单元土壤环境地球化学综合等级 a—赋值前评价结果;b—未采样地块赋值后的评价结果 1—一等(清洁);2—二等(尚清洁);3—三等(轻度污染);4—四等(中度污染);5—五等(重度污染);6—土壤调查样点;7—第四系地质单元界线;8—图版界线;9—居民地;10—水体

Fig.3 Soil environmental geochemistry comprehensive grading map of Jinxian formation in the middle Pleistocene series in Dongguang village of Hefeng, Jiangxi a—evaluation results before assignment;b—evaluation results of map spot assignment without sampling points 1—first class (clean);2—second class (still clean);3—third class (light pollution);4—fourth class (moderate pollution);5—fifth grade (heavy pollution);6—soil survey sample;7—quaternary geological unit boundary;8—plate boundary;9—residential area;10—water body