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

Impacts of drought disasters and farmland irrigation on wheat production technical efficiency
Jian LUAN,Yijun HAN
图1 旱灾、农田灌溉与小麦生产技术效率关系的理论分析框架
Figure 1 Relationship between drought disasters,farmland irrigation, and wheat production technical efficiency