Weeding and weeding The autumn tea gardens are overgrown with weeds. Some weeds grow quickly. How do tea growers handle these weeds? He Xing introduced, “After more than half a year of tea harvesting, fertilization and other agricultural activities, the soil of the tea gardens has become increasingly compacted, the permeability has decreased, and weeds have occurred to affect the growth of tea plants. At this time, the weeds in the tea garden should be promptly removed. Clean up litter to reduce the risk of tea pests in the coming year." After the end of the summer tea, the tea gardens were ploughed shallowly, 10 to 15 cm deep, and the tea plantation ladders and weeds were removed. Weeding herbicides use 250 to 300 times of gadolinium solution (30 to 50 ml per pot of water, ie, 1 to 2 caps). The spray head is equipped with a protective cover to prevent the liquid from being sprayed onto tea plants (miao). Fertility promoter Fertilizer consumption generally accounts for 35% of the year. (1) Gully planting or spreading, planting tea gardens in the middle of planting pods or pulling a small ditch to fertilize or apply a hole (deep 8-12 cm, 20-30 cm in diameter), cover soil after planting; , can be used before the rain or after the rain to spread the soil after the application; adult tea garden Mushi ammonium 30? 35 kg, or urea 12? 15 kg, or potassium sulphate compound fertilizer 15? 20 kg plus urea 5 kg ( In general, each year of production of dried tea is 100-year-years of pure nitrogen (12-15kg); young-age gardens determine the amount of fertilizer according to the size of the tree, and generally can apply 10-20 kg of ammonium per aqua, or 5-10 tons of urea, or potassium sulfate. Three yuan compound fertilizer 8 to 15 kg. (2) External spraying. When 25% of shoots are budded, buds and leaves are unfolded, or during the development period of one bud two or three leaves, choose cloudy or sunny morning or evening spray of 0.5?1% urea solution or Lizhiyuan double-effect organic fertilizer solution 450 500 times liquid (spray 700 to 800 times when the temperature is above 30°C). Every shot of tea is sprayed once. Soil cover In August and September, the temperature is relatively high, and the soil is relatively dry. To ensure the survival of tea seedlings, we must keep the soil moist and ensure moisture supply. To this end, soil cover measures should be taken to cover 5-8 cm thick weeds or rice straw on the planting pots. Or remove the cultivator to cover the grass. Pest Control The prevention and control index of tea green leafhoppers: more than 6 heads (46 heads) or more than 15 heads per square meter. Strengthen the management of tea gardens, remove weeds from tea fields, and worsen the habitat; timely and multiple picking in batches can reduce eggs and deteriorate nutritional conditions, thus reducing hazards. The use of Bt powder 500 times, Gaisin system kill 0.2% matrine aqueous 600 times, 0.25% Shengbang biological insecticide 1500 times, Tianba 1000 times. According to the pest forecast, one of the following agents can be used for spraying before the peak of nymphs: 1,000 times for insects (5 days for safety interval), 2000 to 3000 times for 10% imidacloprid (7 to 10 days), and 1.1% for Green Wave 1000? 1500 times (7?10 days), 98% Bataan 1500 times (7 days) 2.5% Uranus 3000 times (7?10 days), 40% Dimethoate 1500?2000 times (7 days), the above pesticides should be alternately used When spraying, spray the tea garden first and then apply the medicine from outside to inside. Tea pods (mainly tea orange pods, tea pods, tea short pods, etc.), which averaged 20 tablets per piece before the peak occurred, mainly used Pharmacy: 73% Kedutex 2000-3000 times (7 days) , 2.5% Uranus 2500 times (7? 10 days), 1.5% extermination Ling 2000-3000 times, Gaixin combined kill 0.2% matrine aqueous agent 600 times. Tea tree tea gardens, prevention of disease, coal disease, anthrax, rotavirus. The following pesticides can be used to control: 80% of Dasheng M?45, 80% of dexamethasone, 62.25% of Xiansheng 600 times, 10% of 2,000 times, 75% of carbendazim, chlorothalonil 800 times each. , 70% thiophanate-methyl, 50% multiple treasures each 1000 times, 25% love seedling 3000 times. The so-called "resistance" refers to that under the control of the central nervous system, various systems of the human body cooperate and cooperate closely to ensure the normal life activities of the human body. The immune system is a very important component. 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