条件筛选
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Agricultural water crisis remains unsolved, and a comprehensive plan is still lacking
Groundwater over-extracted for many years has left the North China Plain, one of China's main grain-producing regions, facing a water shortage crisis. On one hand, there is an increasingly scarce and precious water source; on the other hand, there is the real pressure of safeguarding the Chinese people's "grain bag" security. As a major water consumer, how should agriculture