Green beans growing environment requirementsGreen beans prefer a warm environment and are not frost-resistant. The temperature range for seed germination is 20-30 degrees. They cannot germinate below 10 degrees or above 40 degrees. The seedlings are sensitive to temperature changes. When the temperature is 2-3 degrees, the leaves lose their green color, and they are frostbitten at 0 degrees. The yield of green beans per mu varies depending on the variety, and is around 4,000-5,000 jin. Green beans planting timeGreen beans prefer a warm growing environment and are suitable for sowing in spring and autumn. The best time is from February to April in spring, and it can also be done in August to September in autumn. How to grow green beansIn terms of sowing methods, generally speaking, green beans can be sown in two ways: seedling raising and direct seeding. When sowing, plant 4 seeds in a hole, water and fill with soil. If the weather is dry, cover with film to keep moisture. For seedling transplanting, transplant the seedlings when the first pair of true leaves unfold. Since the initial root system is weak, be sure to plant well and water thoroughly. Key points for high-yield planting of French beansIf you want to achieve high yields of green beans, you need to select high-quality varieties that are cold-resistant, disease-resistant, high-yielding, and have strong flowering capabilities. You also need to strengthen field management, loosen the soil, weed, and fertilize in a timely manner, water properly, and prevent and control diseases and pests, etc., so as to ensure high yields of green beans. How to grow green beans quicklyGreen beans are fertilizer-loving plants, especially those containing nitrogen and potassium, and have less demand for phosphorus. Therefore, when fertilizing during the growth period, try to apply farmyard manure mainly composed of nitrogen and potassium fertilizers. Notes on green bean cultivationCommon pests of green beans are bean aphids and whiteflies, which can be killed by spraying imidacloprid and cypermethrin. Sometimes you will find that the leaves of green beans become dry, which is green bean rust. Spray 50% oxycarboxin at a concentration of 800-1000 times in time, once every 7 days, two to three times will be enough. |
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