Green Soybean Cotton High-efficiency Interplanting

In recent years, Qidong City has demonstrated and promoted the planting pattern of green soybeans interplanting cotton, replacing green young soybeans with traditional broad beans, and the economic benefits have been significantly improved. The average yield per mu is 500 kg of green soybean pods and 225 kg of seed cotton. The annual output value of mu is 3,842 yuan, and the income per mu is 802 yuan, an increase of 26.4%.

Qingyou Soybean uses Qingsu No. 6, which weighs 38 to 40 grams. Fresh beans are easy to cook, tender and crisp, high yield, strong resistance and good commercial quality. In the middle of March, it was covered with mulching film on direct seeding and harvested on the middle and late June. Before sowing, 7 days per acre with 48% trifluralin emulsion 120 ml water 30 kg evenly sprayed sorghum, and shallowly soak the soil, make it penetrate the topsoil, control weeds. Apply 15 kg compound fertilizer per acre, start sowing, 1 meter spacing, 0.25 meter spacing, 3 seeds per hole, and 2 seedlings per hole after emergence. During the flowering period, 8 kg of urea is applied per acre. Sputum grain spray spraying 0.4% potassium dihydrogen phosphate solution and 1% urea solution 2 or 3 times to reduce the falling flowers, improve production and quality. The disease is mainly soybean gray spot disease, which can be controlled by 50% carbendazim WP 500 times in the early stage of disease. The pests mainly include leaf roller moths, snails, and soybean borer pests. To prevent and treat snails, 500 grams of granules of 6% tetra-polyacetaldehyde are used per acre, and 3 to 5 grams are placed every 2 meters. For the control of leaf roller moth, when the plants have 3 to 4 compound leaves, kung fu 2.5% lambda-cyhalothrin EC 2000 times solution was sprayed. Control soybean soybean borer, available pyrethroid pesticide plus water spray.

High-quality cotton cotton No. 6 was selected for cotton. This variety has strong bell-ring, large bells, good precocity, strong resistance to stress, excellent quality, and great potential for yield increase. The use of nutritious lotus seedlings, about 2,500 tadpoles per mu, the amount of 0.35 kg for each mu field. At the beginning of April, they will sow sunny days and sow the bottom water before sowing, and adopt two-film covering heat preservation measures. A row of cotton was transplanted between the rows of green soybeans on May 10, with a spacing of 0.37 meters and about 1800 plants per acre. Put enough water in time after transplanting to shorten the seedling period. Kemian No. 6 has strong bell strength, high boll weight, and high potential for yield increase. It has a large demand for fertilizers. It uses 25% compound fertilizer (9-7-9) 50 kg per mu and is applied between 2 cotton seedlings when transplanting. . At the end of June and early July, 25 kg of high-concentration compound fertilizer (18-12-15) was applied per acre. Ammonium bicarbonate 20 kg, potassium chloride 10 kg. In late July, 15-20 kg of urea per acre was used as flower and bell fertilizer, and there were 2 or 3 large peaches in the lower part of the cotton. The yellow flower was applied to the middle and half of the waist. Kemian No. 6 has a strong growth potential. It is necessary to regulate the plants at the bud stage, full bloom stage and after topping. Especially during the rainy season, there is more rainwater and cotton is in the budding stage. Use "power booster" to control and adopt the strategy of light control and hard-driving control. The bud period uses 1 to 1.5 grams of pure drug per acre, the initial flowering period uses 2 to 2.5 grams of pure drug per acre, and flowering and belling peaks per acre. Medicine 3 grams, 1 week after topping with pure medicine 3 ~ 3.5 grams. The first and second generations of H. armigera do not need to be controlled. The third and fourth generations of H. armigera can be controlled according to the occurrence of the disease. At the same time, it is necessary to prevent and control blind and stink bugs, and to treat corn borers, aphids, and red spiders.

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