旱作种植条件下基础地力贡献率演变特征及影响因素分析

李官沫,张文菊,曲潇琳,乔磊,黄亚萍,徐虎,徐明岗

Evolution Characteristics and Influencing Factors on Inherent Soil Productivity Across Dryland

LI GuanMo,ZHANG WenJu,QU XiaoLin,QIAO Lei,HUANG YaPing,XU Hu,XU MingGang

图2 不同土壤化学性状下基础地力贡献率 SOM：土壤有机质;TN：土壤全氮;AP：土壤有效磷;AK：土壤速效钾。下同

Fig. 2 The contribution percentage of inherent soil productivity in the different soil chemical properties SOM: Soil organic matter; TN: Soil total nitrogen; AP: Soil available phosphorus; AK: Soil available potassium. The same as below