近30 a江西省农田土壤pH时空变化及其与酸雨和施肥量间关系
李伟峰1, 叶英聪1, 朱安繁2, 饶磊1, 孙凯1, 袁颉1, 郭熙1,*

Spatio-temporal Variation of pH in Cropland of Jiangxi Province in the Past 30 Years and Its Relationship with Acid Rain and Fertilizer Application
LI Wei-feng1, YE Ying-cong1, ZHU An-fan2, RAO Lei1, SUN Kai1, YUAN Jie1, GUO Xi1
各市两个时期pH各级别占比对比
The proportion of each pH level in different cities at two stages