Greenhouse melon cultivation technology
Greenhouse melon cultivation technology is maintained at 28-32°C during daytime and 18-20°C at night, and cannot be lower than 13°C. After the seedlings are released, the daytime temperature is maintained at 20-26°C and nighttime at 10-13°C. After true leaf flattening, 22-30°C during daytime, 13-20°C at night, 2-3 true leaves, should be ventilated and kept at 18-20°C during the day, 10-15°C at night, and about 30 days of seedling age, 4- Five leaf stage colonization.
1, seedling management
The temperature during the day after sowing was maintained at 28-32°C and 18-20°C at night and could not be lower than 13°C. After the seedlings are released, the daytime temperature is maintained at 20-26°C and nighttime at 10-13°C. After true leaf flattening, 22-30°C during daytime, 13-20°C at night, 2-3 true leaves, should be ventilated and kept at 18-20°C during the day, 10-15°C at night, and about 30 days of seedling age, 4- Five leaf stage colonization.
2, a reasonable fertilization
Basal fertilizer per acre put 3500-4000 kg of farmyard manure, 60 kg of superphosphate, 40 kg of ammonium bicarbonate, 100 kg of cake fat, 2/3 of the basic fertilizer will be poured, and poured 25-30 cm deep into the bottom water, and finally Measure and level; spread the remaining one-third of the basal weight onto the planting line, spread a span of 0.4 meters, and mix with the soil.
3, planting management
Plant spacing 45-5070, bao seedlings 1900-2100 acres, pit depth of 15 cm. A few organic fertilizers and inorganic fertilizers are applied to the planting points and they should be mixed evenly. After the melon seedlings enter the pit, the melon earthworms shall be 2-3 cm away from the surface of the seedlings, surrounded by fine soil, and water shall be planted to plant water.
4, pruning management
1. Leave 3 vines.
When the seedlings grow to 4 true leaves, the main vines will be picked up and 3 healthy vines will be selected. One of the vines will contain melons on the vine branch and the other two will have 3-4 leaves topping. Leave 3-4 leaves before picking. Generally, 3-5 melons per plant are reserved, and 30 functional leaves are required for the whole plant.
2, to protect melon measures.
(1) Artificial pollination. Stick a male flower with a writing brush and give the pollen to the female styling head. This method is cumbersome, costly and unsatisfactory. The melon expands at a slow speed, but the melon produced is uniform, sweet, and less deformed.
(2) Spraying guarana growth regulators. When the temperature is about 25 °C, the foliar spray (concentration is based on the product description), this method is relatively simple, easy to operate, and the fruit set rate is high, the melon expands fast, early maturing and high yield.
(3) Field management. Strengthen the control of fertilizer and water and pests and diseases. The suitable growth temperature is controlled at 25-28 degrees and the water control is about 50 percent.
(4) timely harvest. Yellow and white melons can be harvested at 6-7 min.
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Shenzhen Guangyang Zhongkang Technology Co., Ltd. , https://www.syztreatment.com