This month's key points are: seedlings and colonization of melon and bean vegetables, and greenhouse vegetable cultivation. 1, sowing nursery. Cucumbers, watermelons, melons, melons, kidney beans, lentils, leeks, leeks, celery, Chinese cabbage, etc. exposed live; ginger prime; late pepper, summer lettuce, summer cabbage seedlings exposed. 2, planting. The vegetables planted on the open ground include cucumber, watermelon, melon, melon, pumpkin, zucchini, gourd, tomato, eggplant, pepper, dwarf bean, cowpea, double-ripen white, lotus root, leeks, summer lettuce and so on. 3, field management. Tomatoes, peppers, eggplants, cucumbers, and zucchini in plastic greenhouses are ventilated overnight in the sheds in the middle and late of this month. Attention should be paid to the early harvesting of pods and root melons; spring cabbage, spring lettuce, and winter radish should be drained by clear channels; onions, Onions and garlic should be top-dressed in a timely manner, picking pods in a timely manner; carrots and radishes should be top-dressed; winter sowing of cauliflower should be maintained at a temperature of 10-20°C during the bulb growth period, and borax be sprayed; spring cabbage should be sprayed with potassium dihydrogen phosphate solution; Intertillage, moisture removal, warming; plastic large greenhouse shed spring ventilation, watering fruit, picking up the heart, artificial pollination; cowpea root protection, pruning pinching; bean, fertilization, cultivating loose soil; potato irrigation fertilizer; lotus root irrigation. 4. Pest control. Pay attention to the control of eggplant fruit devastating diseases, diseases, and gray mold; spring cabbage downy mildew, anthracnose; melons downy mildew, and yellow squash, melon quail, yellow song strips, etc.; legume horn Spot disease and Liriomyza sativae Blanchard, broad bean elephant, vegetable lice, underground pests, etc.; to prevent rats from biting seeds sowed. 5, harvest. Harvest lettuce, cabbage, spinach, celery, cabbage, cauliflower, leeks, peas, lotus root, garlic sprouts; plastic greenhouses early cultivation harvest tomato, pepper, eggplant, cucumber, zucchini.