Cherry post-harvest management technical points
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First, adjust the amount of tree branches. After cherries are harvested, thinning, short and thin branches, whip sticks, and pests and branches must be removed or shortened in order to open the light path, enrich the branches, reduce unnecessary consumption, and facilitate the differentiation and enrichment of flower buds. Mature branches.
Second, the prevention of pests and diseases. Peach leafhopper, also known as swiftlet, is the main disease in the late growth period of cherry. It is the most intense from July to September. Yellow and white spots appear in the damaged peach leaves. When it is severe, the whole leaves are yellow and fall off earlier, resulting in debilitating tree growth and affecting the formation of flowers. , reduce the output in the coming year. The preventive measure is: Spray 200 times Bordeaux mixture or 40% Dimethoate EC 1000-1500 times once immediately after fruit harvest.
Third, scientific fertilization. From the end of May to the beginning of June, 50-1000 kg of organic fertilizer is applied to the plant. If 1 kg of superphosphate is mixed in, the effect is better. Fertilization methods can be applied alternately radially and circularly, located just below the periphery of the canopy. The fertilization ditch should be shallow and deep inside to prevent excessive root breakage, followed by watering once.
Fourth, spray fertilizer. After the fruit is taken, a 0.5%-1% urea solution is sprayed every 10-15 days, and a 0.5% superphosphate solution is sprayed at the same time to increase the photosynthetic capacity of the leaves and increase the shoot nutrition.