1.基部主枝过多幼树期的苹果树,基部可留多个主枝,但盛果期如继续保留,会造成下强上弱,枝条拥挤,影响光照,产量降低。因此,对基部过多的主枝,有计划地在2—3年内剪除或回缩,严禁一次性全部剪除。 2.枝条离地面低苹果树离地面40—50厘米以下的枝条,不利于管理和病虫害防治,而且消耗养分,应适当疏除。 3.枝条拥挤郁密由于轮生枝、重覆枝、冗长枝、细弱枝的大量留存,会大量消耗养分,要适当 1. The apple tree with too many main tree branches at its base can hold more than one main branch at its base. However, if it remains in full bloom, it will cause strong weakness and crowded branches, which will affect the light and reduce the yield. Therefore, the main branch too much at the base, plan to cut or retract within 2-3 years, is strictly prohibited to cut off all at once. 2. branches from the ground low Apple trees 40-50 cm below the ground branches, is not conducive to the management and pest control, and consumption of nutrients, should be properly sparse. 3 branches crowded Yam dense rotation due to rotation, repeated branches, verdant branches, thin branches of a large number of retention, will consume a lot of nutrients, it is appropriate