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.
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。
The photosynthesis potential productivity and light- temperature potential productivity of west bashang are higher than those of east bashang.
坝西地区光合、光温生产潜力高于坝东地区，但光温水生产潜力却大大低于坝东地区。
The photosynthesis potential productivity and light- temperature potential productivity of west bashang are higher than those of east bashang.
坝西地区光合、光温生产潜力高于坝东地区，但光温水生产潜力却大大低于坝东地区。
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