中国粮食作物灌溉用水效率时空特征及驱动因素——以稻谷、小麦、玉米为例
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常明, 王西琴, 贾宝珍
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Driving factors and spatiotemporal differentiation of irrigation water use efficiency in China
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CHANG Ming, WANG Xiqin, JIA Baozhen
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表3 中国稻谷、小麦和玉米灌溉用水效率驱动因素
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Table 3 Influencing factors of irrigation water use efficiency of rice, wheat, and corn in China
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| 变量名称 | 稻谷 | 小麦 | 玉米 | | 资源环境 | 降水强度 | -0.0919 | -0.00156 | -0.131* | | (0.0788) | (0.0833) | (0.0804) | | 水资源充裕程度 | 0.0712 | 0.0190 | 0.220*** | | (0.0701) | (0.0837) | (0.0810) | | 灾害程度 | -0.0887 | -0.219* | -0.201* | | (0.0630) | (0.116) | (0.108) | | 农田水利设施 | 有效灌溉程度 | -0.498** | 0.398 | -0.283 | | (0.194) | (0.315) | (0.248) | | 取水设备数量 | -0.0472 | -0.0999 | 0.0884 | | (0.113) | (0.117) | (0.106) | | 机械化程度 | 0.137 | 0.126 | 0.344** | | (0.107) | (0.132) | (0.142) | | 经济社会发展 | 城镇化 | 2.501*** | 0.892** | 0.265 | | (0.258) | (0.382) | (0.328) | | 用水强度 | -0.560*** | -0.265 | -0.394*** | | (0.153) | (0.193) | (0.145) | | 粮食育种技术 | 0.286*** | 0.308 | 0.619*** | | (0.0963) | (0.192) | (0.144) | | LR检验 | 197.25*** | 70.17*** | 75.70*** | | Wald值 | 183.86*** | 26.84*** | 75.66*** |
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