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How to make heavy soybeans productive
Soybeans are planted on the ground and will reduce production by 10% to 20%. It is also inevitable that the planting of crops in the production industry is very important. In particular, the intercropping of new planting fruit trees is mainly soybeans. In addition, the recent increase in soybean prices has increased the benefits of planting soybeans and increased the planting area for planting crops. How to guarantee the high yield of soybeans is a problem that needs to be addressed in the production of soybeans. One of the main reasons for the reduction in soybean production was the increase in pests and diseases; the second was the deterioration of the soil environment, the imbalance in nutrient consumption, and the reduction in boron, molybdenum, zinc, and other trace elements; and third, the ability to absorb water and fertilizers was reduced due to poor root development. For these reasons, the following technical measures can be taken to comprehensively solve the problem. 1. Select the appropriate variety in the soil land can use Shennong 6 and Tifeng 31 which are resistant to disease and high yield; In the saline land and the sandy loam cyst nematode, heavier land mass, Leptinophora that can choose to resist nematode 13 number. 2. Refined soil preparation and implementation of fall soil environmental degradation is one of the main reasons for re-production. Deep plowing after autumn can loosen the plow layer, improve soil physical and chemical properties, reduce the incidence of pests and diseases, promote root development, increase resistance, and increase yield. The depth of ploughing is 18-20 centimeters. After the deep ploughing, the scum is broken. 3. Seed coating with seed coating can enhance soybean disease resistance and coordinate soil nutrient status. After tests, the "Doufu" brand soybean strong seedlings developed by the Heilongjiang Academy of Agricultural Sciences yielded better results. The soybean seedling agent is a dry powder seed coating agent containing pesticides, fungicides, and various trace elements such as boron, molybdenum, and zinc. It is particularly effective in re-use of land, and can effectively control underground pests and root rot. Diseases, root larvae, and cyst nematodes, and overcome the shortcomings of high moisture content, unstable properties, inconvenient transportation, high cost, etc., coated seed coating seed coating suspension, with the prevention of disease, pest control, strong seedlings, increase production and other effects. Tests have shown that production is increasing at a rate of about 6% in normal production, increasing production by about 12% in heavy production, costing about 1.4 yuan per 667 square meters, and an input-output ratio of about 1:20. When using, use 125 grams of warm water of about 40°C per bag and mix it with 180-200 ml in a container. Add 15 kg of soybean seeds and stir to make the surface of the seeds evenly coated with a layer of film. Dry the seeds and spread them for sowing. Broadcast can be. 4. Increase agricultural fertilization, balance fertilization 1000 kilograms of high-quality farmyard fertilizer applied per 667 square meters, nitrogen, phosphorus, potassium application ratio of about 1:2:1, namely the application of pure nitrogen 1.8 kg, phosphorus pentoxide 3.5 - 4 kg, 2 kg of potassium oxide. 5. Appropriately increasing the planting density will cause the seedling deficiency phenomenon when the land is heavily planted. To increase the seeding rate appropriately, the sowing amount can be increased by 8%-10% compared with the soybean grown in the normal crop to ensure the number of seedlings. 6. Strengthen field management and prevent pests and weeds.