免耕覆盖下土壤水分、团聚体稳定性及其有机碳分布对小麦产量的协同效应
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郑凤君 1(  ),王雪 2(  ),李生平 1,刘晓彤 1,刘志平 4,卢晋晶 1,4,武雪萍 1(  ),席吉龙 3,张建诚 3(  ),李永山 3
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Synergistic Effects of Soil Moisture, Aggregate Stability and Organic Carbon Distribution on Wheat Yield Under No-Tillage Practice
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ZHENG FengJun 1(  ),WANG Xue 2(  ),LI ShengPing 1,LIU XiaoTong 1,LIU ZhiPing 4,LU JinJing 1,4,WU XuePing 1(  ),XI JiLong 3,ZHANG JianCheng 3(  ),LI YongShan 3
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图5. 土壤团聚体活性有机碳对SOC影响的结构方程模型 实线和虚线分别表示显著正效应和负效应。箭头的宽度与强度的关系呈正比。线条附近的数字是标准路径系数,该系数显示了模型中的变量关系。图6同
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Fig. 5. The effect of soil active organic carbon on SOC in soil aggregates by structural equation model analysis The solid lines and dashed lines represent significant (P<0.001) positive and negative effects, respectively. Arrow widths is proportional to the strength of the relationship. The numbers near the lines are standardized path coefficients, which show the variables in the model. The same as Fig. 6
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