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玉米为喜光、喜肥、喜水作物,增产潜力较大,要想杜绝空杆、秃顶和缺粒现象的发生,达到高产目的,还得从玉米空杆、秃顶和缺粒的原因查起。一、主要原因1、选种不当。玉米各个品种都有各自的特点,它们对种植区域、地块肥力、种植密度、病虫害抗性等方面的要求都不一样。所以选种要慎重,不要被商家忽悠了。一般不要大面积改变种植品种,面对新品种要仔细查看说明,选择适合当地种植品种,经小面积试种后,再大面积种植。
Corn is like light, hi fat, like water crops, large potential for increasing production, in order to eliminate the occurrence of empty poles, baldness and lack of grain phenomenon, to achieve high yield purposes, but also from the corn empty bar, bald and missing reason check. First, the main reason 1, improper selection. All varieties of corn have their own characteristics, their planting areas, land fertility, planting density, pest resistance and other requirements are not the same. So be careful selection, do not be fooled business. Generally do not change the planting of large varieties, the face of new varieties to carefully explain that the choice of suitable for local varieties, the small area after planting, and then planted a large area.