四川紫色土和黄壤中铬和砷两种元素背景值的判定
刘守恒, 王泽洲
BACKGROUND VALUESOF Cr AND As IN SICHUAN AGRICULTURAL PURPLISH SOILS AND YELLOW EARTH
Lin Shouheng, Wang Zezhou
四川农业大学学报 . 0, (): 151 -156 .  DOI: 10.16036/j.issn.1000-2650.1984.02.008