Look at growth. How much is the top of the peach is a sign of whether the top is timely. Premature topping, Fruit branches stretched too long, axillary buds clustered, the upper part of the crazy, and even the formation of the Phoenix tail, the top branch can not hang peaches; too late to grow little stamina, top nutrition is insufficient.
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Second, look at soil fertility. In the cotton fields with good soil quality and high fertilizer rates, the cotton tends to prosper, and the leaves are thick, big, and fertilizers. The time for topping should be appropriately delayed, but it must not exceed the end of July at the latest.
Look at the top three. When the main stem presents a flat top, it is a suitable period for topping. The top of the crown is lower than the top of the leaves, and it is later than the top of the leaves.
Four to see the time. According to the temperature in the cotton area, in order to make the peach on the top of the plant turn out before the "frost," the buds in the later stage usually need more than 80 days from flowering to the opening of the stalks, and the top to bottom stage is 80 days to 90 days. Suitable period.