玉米秸秆还田和有机配施提高黑土酸中和容量
姜勇, 张勇勇, 李天鹏, 王汝振, 王聪, 张玉革, 高洪军, 朱平, 李慧

Corn stalk return and manure amendment improve acid neutralizing capacity of a black soil in Northeast China
JIANG Yong, ZHANG Yongyong, LI Tianpeng, WANG Ruzhen, WANG Cong, ZHANG Yuge, GAO Hongjun, ZHU Ping, LI Hui
图2 不同施肥处理下土壤交换性Ca2+、Mg2+、K+、Na+含量
Fig. 2 Soil exchangeable cations (Ca2+, Mg2+, K+, and Na+) under different fertilization treatments