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通过研究水稻灌浆结实期间温度、辐射和米质之间的关系，首先建立了米质温度函数。然后通过估算不同温度下由辐射引起的米质降解率，建立了米质辐射订正函数。将上述两函数结合，则可得估算一地米质气候资源潜力的米质温光潜势计算公式。利用该公式，估算了我国各稻区的米质温光潜势值。从潜势在全国的分布可以看出：我国米质气候资源对于米质优化具有普适性质；潜势因地域而异，具有空间分布上的不均衡性；潜势随季节有别，具有时间分布上的不均衡性；在地形复杂地区，潜势还呈现出多层次的垂直地带性结构特征。
By studying the relationship between temperature, radiation and rice quality during grain filling, rice temperature function was first established. Then by estimating the rate of rice degradation caused by radiation at different temperatures, a rice radiation correction function was established. Combining the above two functions, a formula for calculating the temperature of the rice in the meager temperature range can be obtained. Using this formula, we estimated the rice grain temperature potential value in each rice area in China. From the distribution of the potential in the whole country, it can be seen that the rice resources in our country are universal for the quality control of rice. The potential varies from region to region and has the uneven spatial distribution. The potential varies with the seasons, with time The distribution of the uneven; in the terrain complex areas, the potential also showed a multi-level vertical zonal structural characteristics.