苹果低产旺树的修剪旺树，是指在正常情况下，已经进入应该大量结果的年龄，但仍然长势很旺，结果很少或没有结果的树。这种树多数生长在土层较厚、肥水和土质较好的果园。修剪时，应注意以下几点：一是调整主枝角度。三大主枝角度过小（即不足４５度）的，可用撑、拉等办... Pruning apple trees with low-yielding apple trees are trees that, under normal circumstances, have entered the age that should be fruitful in abundance, but are still flourishing with little or no result. Most of this tree is grown in thick soil, fertile soil and soil better orchard. When pruning, should pay attention to the following points: First, adjust the main branch angle. Three main branches of the angle is too small (that is, less than 45 degrees), available support, pull and so on ...