科尔沁沙地沙漠化过程中土壤有机碳含量变化特征及影响因素
闫蒙, 王旭洋, 周立业, 李玉强

Characteristics and influencing factors of soil organic carbon in the process of desertification in Horqin Sandy Land
Meng Yan, Xuyang Wang, Liye Zhou, Yuqiang Li
表2 土壤粒级
Table 2 Soil particle size
粒径/mm分类
2.00—0.50粗砂
0.50—0.25中砂
0.25—0.10细砂
0.10—0.05极细砂
<0.05黏粉粒