密植梨树修剪技术的两大改变一、改延长枝截短为长放过去，在稀植大冠梨树时，为了扩大树冠，对各级骨干枝的延长枝年年截短，以促使长出分枝及旺盛的发育枝，这是传统修剪的重要手法。现在，密植梨园由于株距缩小，修剪方法发生改变，仅在初定植的２～３年内对延长枝适度... Two major changes in dense prickly pear pruning technology First, to change the long truncated truncated for the long put in the past, in the crown planting pear crown, in order to expand the crown, the branches at all levels to extend the branch annual truncation to promote long Branches and strong branches of development, which is an important method of traditional pruning. Now, dense pear orchard due to shrinking spacing, pruning methods change, only in the initial planting 2 to 3 years to extend the branch moderate ...