不同耕作措施下添加秸秆对土壤有机碳及其相关因素的影响

王碧胜,于维水,武雪萍,高丽丽,李景,宋霄君,李生平,卢晋晶,郑凤君,蔡典雄

Effects of Straw Addition on Soil Organic Carbon and Related Factors Under Different Tillage Practices

BiSheng WANG,WeiShui YU,XuePing WU,LiLi GAO,Jing LI,XiaoJun SONG,ShengPing LI,JinJing LU,FengJun ZHENG,DianXiong CAI

表3 有机碳与各相关因子关系表达式

Table 3 Expressions of soil organic carbon with different related factors

相关因子 Related factor (x) SOC (y) 方程式 Expression R2 P >2000 μm y=2.0795x+24.466 0.2513 0.0243 2000-250 μm y=0.192x+20.279 0.4770 0.0007 MBC y=0.0052x+22.536 0.4510 0.0012 BG y=0.0268x+20.987 0.6565 ＜0.0001 CBH y=0.0764x+23.509 0.4427 0.0014 BXYL y=0.1179x+21.694 0.5330 0.0003