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玉米的生长是通过叶绿素的光合作用,把无机物转化为有机物,把太阳能转化为化学能的一个物质和能量的转化过程。征大田生产中,这个过程是在自然条件下进行的,受气象条件的影响很大。北方夏玉米产量不稳定的一个主要原因是这个过程所处的气象条件年际变化大,不同播期之间差异显著,因此研究干物质积累、分配与气象条件的关系,可以为栽培管理、农业气候资源分析、农业气象预报提供依据。
The growth of corn is through the photosynthesis of chlorophyll, the inorganic matter into organic matter, the solar energy into chemical energy, a material and energy conversion process. In field production, this process is carried out under natural conditions and is greatly influenced by the weather conditions. The main reason for the unstable summer maize production in North China is that the meteorological conditions in this process vary greatly from year to year, and there is significant difference between different sowing dates. Therefore, the study on the relationship between dry matter accumulation and distribution and meteorological conditions can be used for cultivation management, agriculture Climate resources analysis, provide the basis for agricultural weather forecast.