适当的栽培密度是各种作物获得增产的重要措施之一。目前,农业生产高潮已经到来,农业社为了获得高额产量,计划急剧提高栽培密度,这种密度,一般缺乏试验和当地试种的科学根据,很可能因之减产,甚至造成惨痛损失。为了寻求在各种不同条件下,玉米的适当 Appropriate planting density is one of the important measures to increase production of various crops. At present, the climax of agricultural production has come and agricultural communities plan to sharply increase their planting density in order to obtain high yields. Such densities, which are generally lacking in the scientific basis for tests and local planting, are likely to be reduced in output and even cause painful losses. In order to seek corn under various conditions, the proper