In the early spring, winter gourd, summer cabbage, and autumn and winter celery are harvested three times a year for pollution-free cultivation. In summer, the greenhouse film is not uncovered. A layer of shade net is stamped on it, and the surrounding film is rolled up. The insect net cover is used for ventilation. When the rain falls, the film is put down. Rain, after the rain rolled up to dampen the wind; after the winter celery retort, the shade net was removed, and as the temperature decreased, the air was gradually reduced. First, early spring melon 1, use the appropriate variety. Select small, melon varieties with early maturity, high yield, good quality, strong disease resistance, and good product traits. 2, nursery. At the beginning of February, the nursery was used to cultivate seedlings in protected areas. 6 parts of sterile sandy loam and 4 parts of decomposed high-quality ring fertilizer were used to prepare nutritious soil. For each cubic meter of nutrient soil, another 2-3 kg of ternary compound fertilizer and 50% of carbendazim WP may be added. After the compound fertilizer and carbendazim are mixed into an aqueous solution, they are sprayed on the well-prepared nutrient soil and mixed thoroughly. Immerse the seeds to germinate, lay 1 seed per pot, cover soil 1.5-2 cm. After sowing, keep the daytime temperature at 25°C-28°C and nighttime at 15°C-18°C; properly reduce the temperature after emergence, keep it at 23°C-25°C during the day and 12°C-16°C at night. True leaves grow 0.2% potassium dihydrogen phosphate and urea mixture after spraying. The seedling age is about 30 days, and 3-4 leaves are planted. 7-10 days before planting, the plants will be released. 3, soil preparation and fertilization. Dig 1 meter wide and 0.5 meter deep in the greenhouse. The Mushi in the ditch is 4,000 kg of chicken manure, 50 kg of compound fertilizer, 100 kg of superphosphate, 50 kg of potassium sulfate, and 60 kg of bean cake or cotton seed cake. 4, transplant planting. In early March, 2 rows of melons were planted in each ditch with a spacing of 0.5 meters and a spacing of 0.5 meters. After the planting, cover the mulch and take a small shed. At night, cover the grass shed on the small shed. 5, strengthen management. Triple vine pruning method. The first female flower was removed, and male flowers were pollinated artificially for female flowers when the second and third female flowers were open. Leave 1-2 pieces of melon on each stick. After dressing melon, apply top dressing and watering. Add carbon dioxide gas fertilizer. 6, harvest. In the middle and late April, when the head loquat grows to 1-1.5 kg, it can be harvested. After the first meal is cut, the vine is cut at the base of the plant 20-50 cm. Broken film deep cultivating fertilization, urea 20 kg per acre ditch, ternary compound fertilizer 20 kg. 3 vines will be left after renewal, leaving 1-2 for each plant. The second bottle of melon went on the market in late June. Second, summer cabbage 1, select the appropriate variety. Use resistant, heat-resistant, moisture-resistant, and fast-growing varieties. 2, soil preparation. After the melon has been pulled out, 3,000 kg of soil-fertilizer and 50 kg of diammonium phosphate are applied per acre, and the soil is ploughed and ridged. The width is 70 cm and the width is 30 cm. At the end of June and early July, two lines were planted on each pole, with a row spacing of 45 centimeters and a hole spacing of 40 centimeters. Each hole was planted with 2-3 grains and 4000-4200 lines were planted. 3, field management. 2 leaves 1 heart time seedlings, 6-7 leaves when the fixed seedlings, timely tillage weeding. After the seedlings enter the hair growth stage, combined with watering 15 kg of urea per acre. In the early stage of the ball, 20 kg of urea was applied per acre. During this period, the temperature was high and the amount of evaporation was large. Watering was used to see dryness on the ground. 4. Pest control. Due to the use of shade to shelter from rain, the air outlet is also equipped with insect nets, so the pests and diseases are lighter. During the seedling stage, spray 1-2 times of agricultural streptomycin to prevent soft rot, use imidacloprid, and high efficiency and low toxicity pesticides such as Hisun Sanling and Ruijinte to control aphids, cabbage caterpillars, and diamondback moth. 5, harvest. Summer cabbage is usually harvested 50-60 days after sowing and can be harvested and marketed when the leaves are 1.5-2 kg. The harvest period is at the end of August and beginning of September. Third, overwintering celery 1, select the appropriate species. Use varieties that grow rapidly, are resistant to low temperatures, and are not easy to twitch. 2, shade seedlings. In mid-July, the nursery was built at a high elevation and covered with a net. Seed soaking with cold water for 8-12 hours before sowing, remove and drain out the water, mix thoroughly and sow in fine fluvo-aquic soil, soak after sowing 1 times, soak in water. Keep the soil moist before emergence, and sow the seedlings 2-3 times after emergence. When the seedling height is 10 cm, the leaves are fertilized one or two times to promote the healthy growth of the seedlings. 3, Teng Biao colonization. After harvesting, cabbage should be cleaned and the roots should be rotted. The land with severe disease should be sprayed with appropriate fungicides for disinfection. Maturity of 4000 kg per acre applied organic fertilizer, 50 kg of diammonium phosphate, 30 kg of potassium sulfate, 30 kg of superphosphate, 1-2 kg of zinc sulfate. Squat squat 15 cm, do flat sorghum, planting by row spacing 15-20 cm, spacing 10-15 cm. One day before planting, the seedbed was irrigated to facilitate seedlings. The main root was 3-5 cm long and the depth of colonization was 3-5 cm. Watering planting water, after the seedlings start to grow, they will be poured with small water and aeration of 5 kg of urea or 15 kg of ammonium bicarbonate. When the leaves start to grow upright, and the underground root system occurs in large quantities, topdressing and watering are started to keep the ground moist. The plants were sprayed with 50 mg/kg of gibberellic acid at a height of 30 cm and sprayed once every 10-15 days in combination with watering and topdressing. 4, harvest. Harvested once, at a height of 40-50 cm. 5, disease prevention and pest control. For the control of leaf spot, thiophanate-methyl or carbendazim can be sprayed on the leaves; aerosols can be applied after the shed is closed. Control aphids, imidacloprid pesticide spray can be used.
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