The equinox to the beginning of winter is the period when the citrus fruit enlargement and the autumn shoots that are the result of the mother tree of the leap year begin to mature. The management of the citrus grove in this period has a great influence on the increase in production of the current year and the following year. It can focus on the “big shots and strong fruits†and focus on the following work: During the autumn season from the proper fertilization to the beginning of winter, the fruits will rapidly expand and the autumn shoots Gradually mature, high demand for nutrients. In order to solve the nutrients required for the tip fruit, the tree with more fruit-bearing fruits is used. Each plant uses 0.1 kg of urea, 0.2 kg of compound fertilizer, and 25 kg of plant ash, or a mixture of 50 kg of high-quality manure and 0.5 to 1 kg of cooked cake. Application, 1500-2000 kg per mu. At the same time, with urea 150 grams + 100 grams of potassium dihydrogen phosphate water 50 kilograms, or 1 kilograms of plant ash + human urine 10 kilograms of water 50 kilograms for extra-root fertilizer. For citrus trees that grow vigorously and have little fruits, phosphorus and potassium fertilizers are the main ingredients to prevent the occurrence of “stacked shoots†due to excess nitrogen fertilizer. Irrigation, drought-proof autumn shoot growth and fruit development require a lot of water. During the autumn to the beginning of winter, generally, there is less rainfall, and the supply of soil moisture is in short supply. Improper irrigation will affect fruit enlargement and autumn shoot growth. Generally according to the principles of night irrigation and long-term irrigation, once every 6-7 days, it is appropriate to reach 50%-60% of the depth of the ditch, and spray can be used to pump spray to improve the citrus climate. Citrus plantation to stay grass with musk (stunning grass), can reduce the incidence of pests and diseases. Timely control of pests and diseases 1, red spider: can be used to kill 2000 or liquid pyridazinone 3000-4000 times, 2000-2500 times the killing prince, 2000-3000 times Kezibao spray. 2. Citrus Bactrocera: (1) Artificial control. Victims were mixed in a ratio of 25 kg plus 0.5 kg of sulphur granules and sealed in bags for 10 days to kill fruit larvae. Bacteria were also used to kill larvae by scalding, deep burying, and incineration. (2) sexual sedation. Use 3-4 prepared traps per acre, hung on the mangroves about 1.5 meters away from the ground to trap and kill adult males, and add 1.5-2 milliliters of imported trapping drugs every 15 days to the traps inside the traps. Flies. 3, scale insects: can be quickly culled 100-150 grams of water 50 kilograms, or 100 grams of grams of konjac water 50 kg spray. 4, ulcer disease: Can be used 100 grams of carbendazim watered 50 kg or 100 grams of Rademere water 50 kilograms, plus Grande 1500-2000 times spray control. In addition, the mountain citrus garden is often harmed by the fruit-feeding moth, and it can be caught or bagged to protect the fruit. China Agricultural Network Editor