中国山区耕地利用边际化表现及其机理 |
李升发,李秀彬 |
Economic characteristics and the mechanism of farmland marginalization in mountainous areas of China |
LI Shengfa,LI Xiubin |
图13 中国山区耕地边际化机制 |
Fig. 13 Mechanism of farmland marginalization in Chinese mountainous areas |