条件筛选
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Pilot Crop Rotation and Fallow Programs Should Focus on Storing Grain in the Land
In the explanatory notes on the recommendations of the 13th Five-Year Plan, exploring the implementation of a pilot system of cultivated land rotation and fallow was listed among several issues requiring key explanation, and it was explicitly pointed out that after long-term development, China's cultivated land has been developed and utilized too intensively, the soil fertility in some places has been seriously overdrawn, and water
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