西北干旱区不稳定耕地概念与分类研究——以新疆昌吉州为例
张红旗, 李达净

Concept and classification of unstable farmland in arid area ofNorthwest China: A case study of Changji Prefecture, Xinjiang
ZHANG Hongqi, LI Dajing
图1 不稳定耕地质量评价指标体系
Fig. 1 Quality evaluation system of unstable farmland