东北典型黑土区旱地耕层土壤肥力指标的纬度变化特征及其关系 |
尹思佳,李慧,徐志强,裴久渤,戴继光,刘雨薇,李艾蒙,于雅茜,刘维,汪景宽 |
Spatial Variations and Relationships of Topsoil Fertility Indices of Drylands in the Typical Black Soil Region of Northeast China |
YIN SiJia,LI Hui,XU ZhiQiang,PEI JiuBo,DAI JiGuang,LIU YuWei,LI AiMeng,YU YaXi,LIU Wei,WANG JingKuan |
图3 研究区土壤肥力指标的冗余分析 OM:有机质Organic matter,AN:碱解氮Alkali-hydrolyzale nitrogen,TK:全钾Total K,TP:全磷Total P,速效钾:Available K,AP:速效磷Available P,BD:容重Bulk density,AR:大微团聚体质量比Mass ratio of macro- and micro-aggregates,WC:含水量Water content,pH:酸碱度,Laititude:纬度,Tem:温度 Temperature,n=30(每个样点3次重复 3 replications for each sampling point)。下同 The same as below |
Fig. 3 Redundancy analysis of soil fertility indices in study area |
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