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(接上期)农户承包地块的宽窄多变,树团的横向和纵向的间距可以随地界调节,不必机械地统一。为了使相邻的2个农户分享利益,树团必须跨地界栽植,每一侧每个农户拥有2株或3株树。在这种情况下,只宜采用4株团或6株团,不宜采用三六株团。为了尽量方便农机作业,树团内杨树的行距为2m或3m,株距为3m或4m。树团内2行杨树,可
(Access period) Farmers contracted plots of varying width, the tree’s horizontal and vertical spacing can be adjusted with the boundaries, without mechanical unity. In order to share the benefits of two adjacent farmers, the tree mass must be planted across the border, with two or three trees per farmer on each side. Under such circumstances, only 4 or 6 corps should be adopted, and 36 corps should not be adopted. In order to facilitate the operation of agricultural machinery, trees within the row spacing of poplar 2m or 3m, spacing 3m or 4m. 2 rows of poplar trees, can be