Before the solar term, cut down the apple tree.

The purpose of ring-cutting fruit trees is to prevent nutrients produced by photosynthesis in the crown from being transported downwards, promote fruit growth, and achieve the purpose of high fruit setting rate and low fruit rate.

Therefore, after flowering, when small fruits appear, it is the best time for girdling. Related apple tree problems can be found on the National Apple Pest Control Cooperation Network, which is introduced in detail.