添加玉米秸秆对旱作土壤团聚体及其有机碳含量的影响
王碧胜1,于维水1,武雪萍1(),高丽丽1,2,李景1,3,李生平1,宋霄君1,刘彩彩1,4,李倩1,5,梁国鹏1,蔡典雄1,张继宗1()
Effect of Straw Addition on the Formation of Aggregates and Accumulation of Organic Carbon in Dryland Soil
WANG BiSheng1,YU WeiShui1,WU XuePing1(),GAO LiLi1,2,LI Jing1,3,LI ShengPing1,SONG XiaoJun1,LIU CaiCai1,4,LI Qian1,5,LIANG GuoPeng1,CAI DianXiong1,ZHANG JiZong1()

图3. 团聚体有机碳对土壤有机碳的贡献率
图中误差线为标准误差,不同大写字母代表不同级别间差异显著,不同小写字母代表处理间差异显著(P<0.05)

Fig. 3. Contributing rates of organic carbon in aggregate to soil organic carbon
Error bars represent standard errors. Different uppercase letters indicate significant differences between aggregates and different lowercase letters indicate significant differences between treatments (P<0.05)