Summer soybeans must be broadcast
According to Director Zhang’s introduction, the excellent soybean varieties that are suitable for popularization in soybean production areas in our province include Zhonghuang 13, Qidou 24, Qidou 23, Chen 9765, Qidou 15, and Hedou 1, 2 and 3, and Chenke 928. And so on, there have been recently approved the promotion of the national auditorium bean 28, cowpea 11, 198 Branch, Meng 9449, Meng 9801 and so on. For farmers who want to change their own seeds and keep their own seeds, they should do a good job in germination tests in advance. Seeds with low germination rates should be appropriately increased in sowing.
After the rapeseed and wheat are harvested, the peasant households will pay close attention to cropping and ploughing and planting. When the lyrical water supply is insufficient, farmers should sow and then sow. Where conditions permit, rotary cultivating, seeding, fertilizing and suppressing machines can be used to effectively guarantee the quality of sowing. Combine cultivating and cultivating crops, apply 3,000-4,000 kilograms of high-quality farmyard fertilizer per acre, or 20-25 kilograms of special compound fertilizer for soybean, or 10-20 kilograms of diamine. To promote soil testing and fertilizer application techniques, according to soil testing results, apply nitrogen, phosphorus, and potassium fertilizers according to a certain proportion of formula. Promote the return of straw, nitrogen fertilizer application or delay. Farmers also need to scientifically prevent and treat pests and diseases and chemical weed control. The use of coated seeds or seed coating agents and phoxim, isoflurane and other chemical seed dressing, prevention of earthworms, beetles and other underground pests. Before sowing, seed germination of 0.3% of 50% carbendazim, 50% thiophanate-methyl and other fungicides were used to control root rot. Before emergence of soybeans, chemical herbicides were used to seal the soil against weeds. Generally, 50 ml of acetochlor 50 ml per mu was used to spray 50 kg of water on the ground. Ammonium molybdate can be added to the seed dressing to increase soybean emergence and nitrogen fixation.
Miao Quan and Miao Lian are the basis for the high yield of soybean. Based on the guarantee of the germination rate and the number of seedlings, precision seeding, mechanical uniform seeding, or small area artificial precision seeding are adopted. According to the characteristics of soil strength and species, a reasonable row spacing is selected, and the middle and upper ground forces generally adopt a row spacing of 33 cm or 40 cm. Promote the use of 50 cm plus 20-30 cm wide and narrow row sowing, the use of wide and narrow row and row planting methods, can increase the ventilation and light transmittance of soybean fields, make full use of edge advantages, so as to increase soybean production.
Proper and close planting is an effective measure to increase soybean production. Determine the sowing density according to the biological characteristics of soybean varieties, sowing methods and soil fertility levels. Plants with tall, lush and vigorous varieties should be sparsely planted; varieties with a compact plant type and high rate of main stem scarring, especially early maturing varieties, should be properly planted. "Fertilization should be diluted and thin land should be dense" is the principle of determining the density of soybeans.
Check the seedlings promptly after the emergence of the soybeans. Replant the seedlings with severely short ridges, or transplant them with soil and water. After the seedlings are planted, the seedlings shall be planted and the seedlings shall be planted to ensure that the seedlings are fully seedlings.
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