西北干旱区农田管理方式对土壤固碳的影响
任浩奇, 杨荣, 李彤

Effects of farmland management practices on soil carbon sequestration in the arid region of Northwest Chinaa meta-analysis
Haoqi Ren, Rong Yang, Tong Li
图3 试验涉及的绿肥品种占比及其对土壤有机碳的影响
Fig.3 Proportion of green manure species and their effects on SOC content