一、合理间伐对已经密闭的果园要先做好规划,区分临时树和永久树。对只是株间交接的,要做到临时树给永久树让路,把临时树做扁、做小;对那些株间交叉严重的,可一次性隔株或隔行间伐,使间伐后的覆盖率达到75%左右,即为合理。二、选择树形对留下的永久树,按小冠开心形整形,一般树高2.5~3米,主枝3~4个,各 First, a reasonable thinning Orchard has been closed to make a good plan, the distinction between temporary trees and permanent trees. For just the transfer between strains, temporary trees should be made to give way to permanent trees, and the temporary trees should be made flat and small. For those with severe cross-strains, one-off plants or interlacing may be used to achieve the coverage after thinning 75% or so, that is reasonable. Second, the choice of permanent tree left tree, small crown happy shaped plastic, the general tree height of 2.5 to 3 meters, the main branch of 3 to 4, each