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试验证明 ,棉花群体光合速率 ( CAP)高值持续时期是棉花高产栽培的重要时期 ;栽培密度对于CAP的影响至关重要 ;土壤释放的 CO2 对棉花光合作用具有一定的贡献率。从栽培角度来看 ,棉花高产栽培的技术途径之一就是延缓棉花后期群体光合的下降速率
The experiment showed that the duration of high CAP value of cotton population was an important period for high yielding cotton. The effect of planting density on CAP was very important. CO2 released by soil had a certain contribution to the photosynthesis of cotton. From the perspective of cultivation, one of the technical ways of cotton high-yield cultivation is to delay the rate of decline of photosynthesis in late-stage cotton