? Ximi honey pomelo post-harvest management points

1. Fertilizer and water management Fertilizer should be applied promptly after harvesting fruit. Fertilizer is mainly organic fertilizer, supplemented by inorganic fertilizer, and more phosphorus and potassium fertilizer. The amount of fertilization depends on the tree vigor. The results can be applied to more trees, usually using furrows, burrows or radial fertilization. 5 years old or above, large tree crown results, each planted and cured pig cow manure, soil miscellaneous fertilizer 50 kilograms each, cake fertilizer 3-5 kilograms, macro phosphorus potassium pot 1-2 kilograms, compound fertilizer 4 kilograms, plus lime 0.5 kg. Apply in layers, put fine fertilizer on the upper layer, put coarse fertilizer on the lower layer, mix well with topsoil, and cover with soil. After the winter, the natural alizarin 5000-9000 times solution was sprayed every other month, and Tianda 2116 nutrient solution was 1500-1800 times liquid or 0.1% zinc sulfate and 0.1% magnesium sulfate solution. Such as winter drought, watering in time to keep the tree plate moist. 2. After pruning the fruit in the clear garden, timely remove the dead branches, diseased shoots, dense peripheral branches and fruit pedicle branches, especially strong intermediate standing branches should be properly truncated to stimulate the growth of new shoots and cultivate new results. . At the same time, the garden was cleared and the lichen, moss, and parasitic plants on the branches, fallen leaves, weeds, and trunks were completely removed and burned. 3. Prevention and control of pests and diseases The main pests of Ximiyou pomelo in the winter are Tianniu, Starscream, and blown cotton. Diseases are anthrax, lipid spot, moss, and coal smoke. Tian Long can inject wormholes with dimethoate or dichlorvos 5 times and then close the wormholes with yellow mud. The pests and diseases can be sprayed with the following formulas: 蚧螨 800 800 800 times liquid + 95% oil emulsion 400-600 times; 100 毫升 森 森 100 mg per 100 公斤 water, 50 ml of omethoate, 100 ml of oil emulsion, 1.0 kg of ammonium bicarbonate , spraying the whole tree. In the clear garden in winter, it is also possible to use bamboo scraping to remove spots and whitening with a whitening agent.

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