Specifically, the three or three three-three cultivation techniques can be used. This technology is our comprehensive field experience. After years of trial and error, demonstration and demonstration, the first-ever exclusive soybean high-yield and section-cultivation cultivation techniques have strong adaptability and obvious effect of increasing production. No matter what the region, Select varieties are suitable, can be used. The implication of the three-three-three cultivation techniques is: 1. Sanliang, that is, good seed, good farm, good law. 2. Three changes, that is, sowing seeds for sowing, changing dense planting to sparse planting, changing single fertilization to all-round multi-element fertilization. 3 Three Guarantees, that is, keeping seedlings, keeping flowers, and keeping seedlings. Specific implementation programs: I. Sanliang 1. Liangtian, planting soybeans should use high organic matter content, soil pH value> 6.5, 2. good varieties, should be selected to adapt to local climatic conditions, the growth of plants in late-maturing varieties or fine varieties, such as The HN-1 and HN-2 high-oil soybeans I developed have high yields, drought resistance, and nematode resistance. The maturation period is 122 days, and the accumulative temperature needs to be 2450 to 2550 degrees Celsius. It is an area suitable for use in the south of the upper limit of the three accumulated temperature zones. strain. 3. Good Law: Conditional farmers should apply 2000 kg/mu of farmyard manure combined with autumn soil preparation and 15 kg of nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, manganese, and zinc multi-component fertilizers. , fine turning tips, such as no soil preparation in the early spring should be top soil fertilization in the early spring. The standard for soil preparation is no apparent earthworm litter on the ridge surface. The linear error of the ridge distance does not exceed 3 cm, which is convenient for mechanical farming and is conducive to keeping seedlings. After the ridging, the land should be promptly used with a W-type repressor to suppress the damage and wait for sowing. Seeds must be sown with artificial selection before sowing. After the seeds are selected, they shall be coated and dried. Soybeans should be cultivated in time before sowing after sowing, so as to release temperature and increase temperature, which will help Miao Qi Miao Zhuang. After emergence, we should sow the weeding and weeding three times in a timely manner and pull the grass once. Three times tillage and weeding should be completed before mid-July. Soybeans should be sprayed with multiple nutrients at the first flowering stage, full flowering stage, and drum grain stage. Once in early August, soybean pests should be started twice and every 7 days. Second, third change 1. Changed sowing into sowing, use 2BT seeder with corn seed wheel, adjust the required spacing for seeding or artificial isometric seeding. 2. Change the dense planting to thin planting: sowing spacing 65 to 70 cm, plant spacing 20 cm, sowing 2 to 3 capsules per hole. HN-1 Miao 8 points per square meter, that is, 0.68 meters row spacing 1.47 meters broadcast 8 points, hectare Paul seedlings 14 to 160,000. HN-2 square meters Bao Miao 7 points, 1 million hectare Paul seedlings. 3. The single-fertilizer varieties were fertilized with nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, boron, copper, manganese and zinc. Thus improving the lack of many trace elements in the soil. Third, three guarantees 1. Keeping seedlings: How to plant seedlings at one time is the key to whether they can increase production. This requires us to visit the land every day after sowing and seedling emergence. If no seedlings are found, or if they are eaten by the rats, they must be replanted in a timely manner. There are two ways to make up: One way is to seed the remaining seeds in the field or the land to make up for the lack of seedlings. 2. Preserving flowers: If it is too dry during the first flowering period, it should be sprayed in a timely manner. After spray irrigation, foliar fertilizer is applied. Use 2.5 to 3 kg of potassium dihydrogen phosphate per hectare, preferably 2.5 kg of urea, and timely cultivating the urea. . 3. Bao Zhu: After the first foliar fertilizer once every 10 days, once the foliar fertilizer, depending on the growth of soybean urea 2.5 to 5 kg per hectare. The second time the leaf fertilizer is sprayed on the hot weather, if there is more rain at this time, the soybeans are easy to grow, which requires the vegetative growth of chemical control technology, the promotion of reproductive growth to achieve the purpose of conservation, and ultimately to achieve more Granules have been harvested. Prevention of diseases, insects and rodents In mid-July, 50% carbendazim WP 500 to 800 times per mu were sprayed to control downy mildew and gray spot disease, sprayed twice and sprayed once every 7 days. In mid-August, use 5% potassium phosphate granules 2 kg, every 4 ridges, along the ridge to go 4 to 5 steps to put a pile of 15 to 20 grams or Yang Shi, control of soybean borer. Underground manure pest mania in the sowing of 30% carbofuran particles per acre mixed with 1.5 kg of base fertilizer control. Rats with severe rodent pests were given rodents one or two times before sowing, and soybeans were given one or two second rodenticides at the beginning of flowering. Harvest: When the field leaves are basically finished, they are harvested in time, threshed and sold for a few days.
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