The planting density should be reasonable. The seedlings of the bean seedlings are the best colonization when they are unfolded. The reasonable line spacing of beans is generally 60 cm, 80 cm in height and 1.8-2 m in height. The higher the row spacing, the larger the spacing should be. The plant spacing is about 45 cm, which is usually planted in two plants. If the planting density is too large, it will cause the beans to grow up and become difficult to sit on the pod.

The temperature difference between day and night should be such that the beans are heat-resistant and not resistant to freezing. The suitable growth temperature is 20 °C - 25 °C. During the flowering period of the beans, the daytime temperature and the nighttime temperature and the temperature difference between day and night should be mastered. The suitable growth temperature of the bean flowering period should not exceed 30 °C during the day and 18 °C at night. Therefore, it is reminded that all the bean growers should put the shed time on the shed. It is necessary to delay the shed time with the increase of the temperature. The standard for sheds in the pods is 17 °C.

Light conditions should be suitable for greenhouse cultivars. Although the requirements for light hours are not strict, the light intensity requirements are relatively high, especially during flowering and sitting pods, if the light is insufficient, it will cause the beans to fall into the pods.

Soil moisture and nutrients should be properly treated according to the local soil moisture, and the watering time and watering amount should be flexibly controlled. The most basic of the whole growth period of beans should be poured with three waters: the first watering after planting must be poured, otherwise the plants are uneven; when the vine grows to 0.6 meters high, the second water is poured; The most important thing in the production of beans is that the beans are not poured, and the water is not suitable for watering during the flowering period of the beans. Therefore, the third water should be poured before the initial flowering period, and combined with watering and spraying to promote the fruit and fruit, which is more conducive to the flowering of the beans. Sitting on the pod. After sitting on the pod, you should pour a small amount of water to promote the expansion of the beans. In addition, nitrogen fertilizer should not be applied, otherwise it will cause the bean vine leaves to grow and cause flowering and sitting pod delay. Phosphate fertilizer should be added to promote the formation of nodule and enhance its nitrogen fixation capacity.

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