How to manage the fruit period of longan?

How to manage the fruit period of longan? Please guide the longan fruit expansion period, good or poor management, not only directly affect the yield of this year, but also affect the normal emergence of postharvest shoots, indirectly affect the yield of next year. Therefore, we should cherish a year of labor and strengthen the management of Longan in the middle and later period. 1. Apply strong fruit fertilizer. The development of longan fruit consumes a lot of nutrition. in order to make the fruit expand normally, quick-acting fertilizer must be added in time. One is to sprinkle a soluble chemical fertilizer with the help of Rain Water. Compound fertilizer should be selected for the fruit whose kernel is not black, and potassium chloride should be chosen for the fruit with black core, each 50 kg of tree application, depending on the leaf color and fruit density, 0.5-1kg. Second, combined with the prevention and control of diseases and pests or spraying alone, foliar fertilizer is sprayed every 7 to 10 days to supplement nutrition. Foliar fertilizer can choose biological chicken soup, Limanglong, rare earth amino acids, activin, nucleotide phosphorus and potassium and so on. In cloudy days, it is appropriate to spray the above foliar fertilizer and sugar together, adding 20 grams of sugar for every 10 kilograms of water. 2. Prevent diseases and insect pests. Recently, there are many Rain Water, litchi fruit diseases and pests are serious, after litchi harvest, it is easy to turn to harm longan fruit, to prevent fruit borer, small gray butterfly and longan downy mildew. The control method should focus on the pedicle borer. According to the insect stage measured by the pedicle borer, spray control at the peak of adult Eclosion and the initial stage of larval occurrence. Insecticides can be selected from Starr, Rui Chong Te, Biqiaoling, Chong Jing, Chong No pardon, Trichlorfon, Shachongshuang, etc., and fungicides can choose to be popular, Baofus, flying alum, Jiusheng, Baosheng, Tuoshituotuo, and so on. Mountain longan orchards should also do a good job in the control of rats, fruit-sucking night moths and fruit bats. Before the fruit is ripe, clean up the orchard trees and weeds, get rid of the hiding places of the above-mentioned pests, and trap them with booby traps. Rats should be poisoned with rodenticide once or twice before the fruit is sweetened. The fruit-sucking armyworm should also use sugar and vinegar plus carbofuran before the fruit becomes sweet, hang it on the tree and kill it, then hang it on the tree with sesame oil paper to drive it away. Fruit bats can set up a purse seine with bamboo or wooden poles around the orchard. Click to get more longan planting techniques click to get more fruit planting techniques