黄土高原弃耕地植被演替及其对土壤养分动态的影响
王春燕1, 燕霞2, 顾梦鹤3,*

The interaction effects of vegetation and soil nutrients on vegetation succession in abandoned farmland on the Loess Plateau
WANG Chun-yan1, YAN Xia2, GU Meng-he3,*
4种弃耕地中地上生物量和土壤pH值变化