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我省山楂树已发展到1,025万株。由于管理粗放,多数山楂树形紊乱,树冠郁密,座果率低,果品质量差。实践证明,在加强土肥水综合管理的基础上,搭好骨架,合理修剪,对调节生长和结果关系、克服“大小年” 现象、延长经济寿命都有重要作用。 一、丰产树形 1.疏散分层形:干高40～60厘米,树高4米左右,主枝层间距80～120厘米,全树主枝6个左右,侧枝15～18个,主枝开张角度70度
Hawthorn has grown to 10.25 million in our province. Due to extensive management, the majority of hawthorn tree disorder, crowns crowns, fruit set rate is low, fruit quality is poor. Practice has proved that on the basis of strengthening the integrated management of soil and fertilizer, setting up the skeleton and properly pruning play an important role in regulating the relationship between growth and outcome, overcoming the phenomenon of “size year” and prolonging economic life. First, the high yield tree 1. Evacuation layered: dry 40-60 cm high, about 4 meters high tree, the main branch spacing of 80 to 120 cm, the whole tree about 6 main branches, 15 to 18 branches, the main branch Opening angle of 70 degrees