When pruning old apple trees for many years, this problem is very common. The middle section of the main branch is too weak and even has no branches. The result is not the result. The main branch extends the head particularly strong, so it can only have peripheral results. When pruning, it is often allowed to grow for production. As a result of this long time, the trees overlapped with branches, resulting in the closure of the entire park, and the yield and quality have declined.
For such an orchard, it is necessary to support weak and strong control as soon as possible. The method is to eliminate the extension of the original head and replace it with a suitable lower back branch. If there is no space, the strong softening will lead to sagging and the summer will be girdling before the strong branch. If the fruit is pressed, the middle part will be thinned and the useless branches will be removed. The mean golden branch will be retracted to the good branches. The strong branches shall not be removed at will. The culture shall be carried out by means of pull, engrave and cut. The winter cut shall be changed to four seasons trimming to strengthen the management of fertilizer and water. After such adjustments, it can be rejuvenated within 2 to 3 years and there are results inside and outside.
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