Soybeans are hi-temperature, hi-light crops, easy to manage, and less investment. However, sowing is too late, lack of light, accumulated temperature is not enough; do not pay attention to fertilization; density too dense or too thin; improper use of herbicides, drug injury and so on. Often, good yields cannot be obtained. To address these issues, we must focus on the following sowing techniques.
First, the choice of species. It should be based on mature, good quality, uniform grain, high yield varieties. According to their own situation, they can choose the following varieties, Zhonghuang 25, Zhonghuang 35, Zhonghuang 39, cowpea 12, cowpea 17, cowpea 19, etc., cowpea 5, Kefeng 14, etc.
Second, give a good base fertilizer. To apply more phosphorus and potassium fertilizer, less nitrogen fertilizer. Combine the stubble or use fertilization planter, soybean special compound fertilizer or ternary compound fertilizer 50 pounds per acre.
Third, improve the quality of sowing. Harvesting time after early harvest of wheat can effectively improve the yield and quality. Usually no later than June 25, harvest wheat can be taken to stay sorghum, sow the seeds and then water the headwaters. After the conditional wheat harvesting can be carried out, the rotary ploughing, fertilizing, sowing, and suppressing machines are selected to effectively guarantee the quality of sowing. Reasonable dense planting to ensure the whole seedlings, the principle is early sowing, strong earth, divergent bean species and high yield field density. In general, the amount of mu is 10-12 pounds, and it is sown by mechanical precision. One-foot three to one-and-a-half-and-half-and-two-and-a-half-and-three-and-a-half or so lines. The depth of sowing should be even and the depth should be half inch to one inch. In particular, the depth of watering after sowing should be paid more attention. Check the seedlings after the emergence of soybeans in time, the lack of seedlings and ridges should be replanted in a timely manner.
Fourth, scientific weeding. One is to broadcast the seedlings before the closure of the ground, sowing seeds, immediately sprayed after sowing; after pouring the first 2-3 days to complete the spraying of water. 50% acetochlor, isoprofloxacin, or metolachlor is used for sealing the floor. Both sprayer water sprays evenly. The second is post-emergence weed control, in the soybean 2-3 complex leaf stage, weeds as small as possible, generally not exceeding 4 leaves. Select quinazoline, fluazifop, and flupirtine. Mu sprayer water spray evenly. Post-emergence herbicides must master the amount of medication, Shun ridge back spray to minimize gingivitis medicine.
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