The end of April and early May in spring and summer, after the beginning of summer, began to enter the hot summer, it is the peak season for all kinds of vegetables to sow growth, and it is also the most busy stage of vegetable production and management. Therefore, we must promptly do a good job in field cultivation and management of various crops to ensure normal growth.
1. Cultivation of fruits and vegetables in greenhouses, mainly due to temperature adjustment and humidity adjustment. Since the temperature in greenhouses has risen rapidly in May, the temperature in sunny days at noon has exceeded 35°C. Membrane ventilation must be removed in time to reduce the temperature and prevent heat damage. The film is peeled off at 8 am every day and covered at 4 o'clock in the afternoon. The temperature is kept at 28-30°C, and at night around 17°C, the air humidity should be kept at 80%-90%. The production management should scientifically chase fertilizer water, meet the needs of fruits and vegetables for nutrients, do manual pollination of melon vegetables, and preserve fruit and fruit of eggplant vegetables.
2, open field vegetables have entered the seedling stage, to cultivator weeding and clearing the ditch, timely inspection of seedlings to ensure seedlings; timely irrigation and water conservation to promote seedling growth, timely drainage after the rain, to prevent locusts; on the need to scaffold cultivation of fruits And beans and vegetables should be promptly introduced on shelves, timely pruning and removal of diseased leaves and old leaves. Reasonable fertilization, mastering the principle of lightly applying Miaojia Kanetai pottery, reapplying flower and fruit manure, profiting from applying root fertilizer in the middle and late period, and extrapolating melatonin from outside the root.
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