"four taboos" for high yield of soybean
First, avoid continuous cropping, the yield will be reduced by 15% Mur20%, and the yield will be reduced by 20% Mur25%; second, the white seed field will cause diseases, insect pests and rodent pests, affecting the seedling emergence rate and yield; third, cross-regional planting should be in line with local conditions to meet the requirements of the technical indicators of accumulated temperature for varieties, otherwise, it will affect maturity and reduce yield. Four taboo root topdressing, soybean root nodule bacteria have nitrogen fixation, root topdressing nitrogen fertilizer, not only cause unnecessary waste, but also damage the fibrous root, resulting in reduced yield. Only in this way can we be sure of achieving high yield of soybeans.
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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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What are the cultivation types of soybeans?
After long-term natural and artificial selection, soybean varieties adapted to different ecological types such as local growth period, climate characteristics, soil types and farming conditions were formed. According to the difference of sowing time and growth period, soybean can be divided into four cultivation types: spring soybean, summer soybean, autumn soybean and winter soybean.
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