对水稻感光性问题,我国水稻专家已作出很多卓越的研究成果。在前人工作的基础上,作者从农业气象科学角度对此问题也做了一些工作。在文献[8]中初步提出暗长积量概念:“水稻光照阶段内的每日暗长之和称为暗长积量,水稻只有满足该品种所需要的暗长积量 Rice sensitivities, China's rice experts have made many excellent research results. Based on the previous work, the author also did some work on this issue from the perspective of agrometeorology. In the literature [8], the concept of dark long initial is proposed: "The sum of daily darkness in the light stage of rice is called the dark long product, and the rice only has the dark long product