Cultivation and management techniques for high yield of soybean
Seed treatment. Generally take grain selection, remove small, miscellaneous, disease, worm pull, to achieve the same color of the navel. Do 1-2 germination tests before sowing, and the germination rate is more than 95%. Before sowing, 1-2 grams of ammonium molybdate per kilogram was used to dissolve the seeds in 30 grams of warm water, and then mixed with soybean rhizobium fertilizer, which accounted for 5% of the seed, and then sowed after low light and shade drying.
Choose a place. Generally choose in corn, sorghum, millet and other stubble plots to avoid repeated and welcome stubble.
Prepare the ground. Rake the land in the middle of March, close in late March, apply 2000-3000 kg of farm manure per mu, generally strip application is better.
Sow seeds. Generally speaking, when the ground temperature of 5 cm stably passes through 10 ℃, the seeds can be sown, and it is suitable for the northeast to April 20-25. Use 4 kg-5 kg of seeds per mu. Ploughing or machine sowing, equidistant on-demand or sowing can be used. Fertilization and sowing should be carried out at the same time, but should be separated from the seeds to prevent burning seedlings, generally using 5 kg-8 kg diammonium per mu.
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Technical specification for high yield cultivation of soybean
Soybean is the main role of oil in our province. The development of soybean production is of great significance to improve the food composition of human father, the development of animal husbandry and crop rotation to improve soil fertility. From the actual situation of our province, soybean production mainly depends on increasing per unit yield to increase total yield. In order to achieve 200W per mu yield, it is not necessary to liberate soybean from the corn field, because the mixed cropping of soybean and corn is one of the reasons for soybean yield per unit area in our province, so it is necessary to clear the seed in Gongpian. Second, actively popularize and wait for sowing as the center to increase the application of agricultural fertilizer.
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High yield of soybean must be controlled by ten hurdles.
First, according to the local climate, land fertility, soil properties, growth period, precipitation, effective accumulated temperature, production level, cultivation model and other factors, select high-oil and high-protein varieties with strong resistance and high yield. Second, we should close the soil preparation to soil tillage, adhere to the soil tillage system of the combination of loosening, turning, raking and rotation, and vigorously popularize the subsoiling tillage method, which is 40-50 cm deep, and the corn stubble for spring soil preparation should be pulped and ridged and suppressed in time to improve the quality of soil preparation and achieve clean soil without stubble.
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