农业生产,是通过农业机械等等劳动手段,在土地和作物上投入劳动,得到产品。但与工业生产绝然不同的是农业生产依赖于生物的自然成长,且与周围环境紧密关联。为了安排好适合生物生长的环境,一方面要组织机械和劳力,一方面要有保护作物生长的设施。对作物影响最大的外界条件是气温、 Agricultural production is through labor means such as agricultural machinery, land and crops into labor, get the product. But unlike industrial production, agricultural production relies on the natural growth of living things and is closely linked to its surroundings. In order to arrange a suitable environment for biological growth, on the one hand to organize machinery and labor, on the one hand to have the protection of crop growth facilities. The most affected external conditions of the crop temperature,