论文部分内容阅读
一气象要素对于农业生产的重要性气象变化,对于农业生产关系是相当密切的,而在某些情况下甚至具有决定性的意义。就以气象要素中的光和热来说,从种子发芽以至成熟,在全部生长发育过程中,它是农作物完成一切化学作用与生物作用的主要条件。如温度过高时可使作物的原生质遭受破坏和死亡;温度过低时又可使作物遭受冻害。温度
The importance of a meteorological element to agricultural production Meteorological changes are fairly close to, and in some cases even of decisive importance to the relations of agricultural production. As far as the light and heat in the meteorological elements are concerned, from germination to maturity of the seed, it is the main condition for the crop to perform all its chemical and biological functions during its entire growth and development. If the temperature is too high, the crop protoplasm can suffer damage and death; when the temperature is too low, the crops can suffer frost damage. temperature