Soil improvement After persimmon fruit harvest, the soil is turned 40 cm deep, and organic fertilizer such as soil fertilizer and crop straw is applied to improve soil physical and chemical properties and improve soil fertility and water retention capacity. Plastic trimming 1 pruning of saplings. The main task of pruning in the sapling period is to cultivate the backbone branches, rapidly increase the degree of the branches, and enlarge the canopy. When pruning, pay attention to less sparse branches, appropriate multi-cutting, increase the amount of branches, combined with winter and summer shears, and can be used for picking branches. 2 adult trimming of the tree. For the production of trees, the main focus is on thinning, supplemented by short cuts, and appropriately retracted. The main method of thinning branches is to cut off the cross branches, overlapping branches, thin branches, densely squeezed branches, and diseased insects to improve the ventilation and light transmission conditions. Appropriate short cuts of main branches, side branches and extension branches at all levels to promote new branches. It is necessary to carry out moderate retraction and pruning after the winter leaves, using short shears as the main method, and shrinking and combining methods, cutting off dense branches, cross branches, long branches and sick branches, so that the branches are distributed reasonably and cut into reasonable trees. Prevention and control of pests and diseases 1 In winter, the diseased fruit, diseased pedicle, dead branches, persimmon skin, skin and leaves should be completely removed to eliminate the source of wintering pests. 2 Before the deciduous winter to spring germination, the Baume 5 degree stone sulphur mixture should be sprayed to prevent pests and diseases and reduce the harm in the coming year. 3 trunks painted white. Whitening of the trunk can kill the pests that overwinter in the bark seams, and on the other hand prevent the plants from freezing. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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