渭北旱塬苹果园土壤紧实化现状及成因.

Autor: 魏彬萌, 李忠徽, 王益权
Zdroj: Chinese Journal of Applied Ecology / Yingyong Shengtai Xuebao; Mar2021, Vol. 32 Issue 3, p976-982, 7p
Databáze: Supplemental Index