摘要
玉米的主要功能叶位于中部奉三叶,所以玉米边行优势比其它作物都大.因为玉米边行得到更充分的光照和空气,种性不同的玉米间混种可增加天然串花的机率,从而提高玉米杂交当代优势率.表现在结实率高,抗性增强等.由于立体栽培比传统的平面栽培更有力于玉米生长和发育,更能发挥玉米高产的潜力.试验结果证明,立体栽培比平面栽培每亩地可增收玉米50-100公斤.
Abstract The main functional leaves of corns are the three ones in the middle of the corn trunk. Because of this, the side Line advantages in corns are great than those in other plants. Mixplanting of different kinds can add to the rate of natural pollination so that it can improve the excellent rate of hybrid present generation advantages. Corns solid planting can more develop the above two advantages and help corns grow so as to increase the produc-tion. The experiment shows that corns solid planting can get 50 - 100kg corns per mu than by plane planting.
关键词
玉米平面栽培
玉米立体裁培
通风透光
杂交当代优势
Corns plane plantingcorns solid plantingside line advantageshybrid present generation advantage
