In the past, seedling beans were mostly produced by live broadcasting, and Miao Qi and Miao Zhuang were secured on the basis of fully protecting the root system from cold damage. Early sowing, early harvesting, and early morning market cultivation were possible. The production of multi-nutrient seedlings, but also can use 50 hole plug seedlings, seeding 2 to 3 per hole, irrigating the water, reasonable control of temperature. The seedling age is about 25 days or so. Reasonable close planting Since the growth of seedlings at seedling stage is in a low temperature and low light environment, photosynthesis is hindered and the nutrition of the plants themselves is limited. Therefore, they must not be too dense during planting to prevent the leaves from blocking each other. Generally take 70 cm, 50 cm size ridge (or double high ridge) colonization, plant spacing of about 30 cm, watering after planting, and then scratching and then cover the entire film. Field management In the management of fertilizer and water, from transplanting to flowering, water control and cultivating roots should be used as roots. Water should be kept as low as possible. Before the flowering of the beans, 15 kg of ammonium sulfate should be applied. During the clams, fertilizer is topdressed every 10 to 15 days, each time 15 to 20 kg of ammonium sulfate is applied. If conditions permit, sunny day after morning, topdressing with carbon dioxide gas fertilizer, proper ventilation after 2 hours after application. The senescence of the plants in the late growth period of the beans, and the aging of the roots, can prolong the scarring and spray 0.2% potassium dihydrogen phosphate for foliar application. After the beans reach the vines, the vines shall be erected in a timely manner. In addition, the pods shall be hiccuped and wiped in time to prevent the leaves from blocking each other. When the plant height is 2 to 2.5 meters, the hearts will be picked in time to promote scab. Pay attention to knock down the old leaves after each harvest.
