关于柑桔栽植密度的若干研究业已证明,密植对提高单位面积产量具有一定的潜力,但也存在一些限制因素。栽植过密时,树冠之间争夺阳光和根系之间争夺水分及养分的矛盾日益加剧,从而将限制树体的生长和结果。然而,在不同土壤类型和不同栽培管理条件下,树冠之间或根系之间的竞争究 Several studies on citrus planting density have demonstrated that close planting has some potential for improving yield per unit area, but there are also some limitations. Planting too close, the competition between the crown of the sun and the competition between the roots of water and nutrients growing conflicts, which will limit the growth and the results of the tree. However, under different soil types and different cultivation and management conditions, competition among crown or root systems