Autumn is a critical period for the management of cherry saplings. To this end, Cai Yuliang, a professor at the College of Horticulture, Northwest Agriculture and Forestry University, recommends that the fruit growers do the following management: Fertilization Cai Yuliang pointed out that due to the rapid growth of young cherry trees, which require more fertilizer, in the fall of September, it is necessary to carry out the topdressing in the fall. Special fertilizer for fruit trees + potassium sulfate can be applied. 0.5 kg per plant can be cast with diagonal radial strips. Fertilization. In addition, 0.3% potassium dihydrogen phosphate was added at each spraying to perform foliar spray to protect the late leaves. In late October, it began to give big cherries with autumn basal fertilizer to apply decomposed farmyard manure and other organic fertilizers. Each plant fertilizes about 50 kilograms of fertilizer, 1.5 meters away from the main trunk, and the trees are digging deep trenches about 0.4 meters on both sides. Apply proper amount of water after each fertilization. The slashed soil Cai Yuliang suggested that after the fertilization and irrigation in the autumn, when the soil is not sticky, the whole garden will be ploughed once to increase soil permeability and promote root growth. The sparse cuts are dense and sparse to ensure that the light cherry light shines, and the saplings should be dominated by plastic surgery. In order to ensure the ventilation and light transmission of the entire tree, Cai Yuliang suggested that for some overlapping branches or main branches, there should be too many upright branches, and the branch that is closer to the main trunk should be promptly removed to erect the main branch. , lateral branches, appropriate short cuts, in order to trigger new branches, the formation of new results Zhizu. Pull branches open angles, autumn picking the heart into the autumn, on the sticky branches with poor softening effect, autumn pull branches, pull branches during this period is better than spring pull branches, can make all buds balanced development, back upright branches less, Back, sides, front and back are uniform. In order to ensure that the branches are full, the last topping is carried out before and after the autumnal equinox to facilitate safe wintering of young tree branches. Prevention of Pests and Diseases The main pests and diseases in the fall include the formation of bridge insects, caterpillars and peach leaf miners, which can be targeted for prevention and control. Perforating leaf disease is the most important disease of cherry, mostly occurs in the autumn, can be sprayed with 200 times Bordeaux mixture or spraying 0.3 to 0.5 degrees lime sulfur, to control the occurrence of disease.
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Five Measures to Strengthen the Management of Cherry Trees in Autumn