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马铃薯个体产量的高低,是由它的遗传性所制约的生产力及其在生长发育过程中所经受的外界环境条件决定的。而单位面积上的总产量则是由各个产量形成因素综合作用的结果。这些因素和周围的环境条件存在着一定的相互依赖关系。因此,某一品种产量的形成和结构,可通过一定的栽培措施来创造适于该品种生长发育的良好条件,从而达到高产的目的。马铃薯和其它作物一样,其干物质产量的90～95％是来自光合产物,产量形成的实质是绿叶面积通过截获太阳向地面的幅射能量,把空气中的CO_2和土壤中的水、无机盐
The level of individual potato yield is determined by its inherited productivity and its external environmental conditions during growth and development. The total output per unit area is the result of the combined effect of various factors of production. These factors and the surrounding environmental conditions there is a certain interdependence. Therefore, the formation and structure of a variety of yield can be achieved by some cultivation measures to create good conditions for the growth and development of the variety, so as to achieve the purpose of high yield. Like other crops, potatoes, 90-95% of their dry matter yield come from photosynthetic products. The essence of the yield is the greenery area. By intercepting the sun’s radiation energy to the ground, the CO 2 in the air and the soil water, inorganic salts