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4 江西禾丰东光村中更新统进贤组地质单元土壤养分地球化学综合等级 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(丰富);2—二等(较丰富);3—三等(中等);4—四等(较缺乏);5—五等(缺乏);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.4 Soil nutrient geochemical comprehensive grading map of Jinxian formation in the middle Pliocene 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 (rich);2—second class (more abundant);3—third class (medium);4—fourth class (less available);5—fifth grade (lack of);6—soil survey sample;7—quaternary geological unit boundary;8—plate boundary;9—residential area;10—water body