土地自然生产潜力与目前的实际生产水平存在一定差距，旱坡耕地具有较大的增产空间。

There is a certain distance between production potentiality and actual capacity. Dry sloping land has larger production space.

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采用机制法通过对光、温、水、土逐级衰减计算了河南省各县市小麦的光、温、水、土自然生产潜力。

By using the mechanism method, the potential productivities of light, temperature, precipitation and soil were calculated by regression analysis in each county of Henan province.

youdao

采用机制法通过对光、温、水、土逐级衰减计算了河南省各县市小麦的光、温、水、土自然生产潜力。

By using the mechanism method, the potential productivities of light, temperature, precipitation and soil were calculated by regression analysis in each county of Henan province.

youdao