How to cultivate beans in greenhouse

Small plastic bags or paper bowls can be used for seedling raising and transplanting, sowing 3 grains per hole, watering thoroughly, paying attention to heat preservation and controlling overgrowth. The seedling age is generally 20 won for 25 days. Seedlings are usually raised before and after the Winter Solstice. When raising seedlings, blanch the selected seeds quickly with 80 ℃-90 ℃ hot water, immediately add cold water to cool down, keep the water temperature 25 ℃-30 ℃ for 4 hours, fish out and dry for a little before sowing. For the soil with deep soil layer, the soil should be turned 25 cm deep before sowing, 8000 kg of miscellaneous fertilizer per mu, 50 kg of calcium superphosphate or 50 kg of diammonium phosphate and 25 kg of potash fertilizer per mu. The width of the whole border is 1.2 meters, two rows of beans are transplanted in each row, the distance between the holes is 20 cm, and 2 plants are transplanted in each hole, 5000Mu 5500 piers per mu. Pre-management scaffolding, heart-picking, forking. Set up the frame after shaking the beans; wipe off all the flowers below the first spike; pick the heart when the main vine climbs to the top of the frame, and the side branches in the later stage pick the heart after sitting on the pod. The coring of the main vine promotes the growth of lateral branches, while the wiping of branches and the coring of lateral branches promote the growth of beans. The management of pod setting period is controlled first and then promoted. Beans from transplanting to flowering, mainly to control water, ploughing to promote roots, appropriate squatting seedlings to promote flowering and pod; after pod setting, it is necessary to fully supply fertilizer and water to promote flowering and pod production.