干旱灾害与农田灌溉对小麦生产技术效率的影响
Impacts of drought disasters and farmland irrigation on wheat production technical efficiency
干旱灾害与农田灌溉对小麦生产技术效率的影响 |
| 栾健,韩一军 |
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Impacts of drought disasters and farmland irrigation on wheat production technical efficiency |
| Jian LUAN,Yijun HAN |
| 图2 1991—2016年小麦生产技术效率变化趋势 |
| Figure 2 Change of wheat production technical efficiency, 1991-2016 |
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