Cultivation of bitter gourd in early spring

1. Top dressing and watering. After the planting survives, combined with watering and topdressing decomposed farmyard manure, the root system will be pierced down and strong seedlings will be cultivated. When the plant grows to a height of 30 cm, a second top dressing is carried out. Later, with the increase of temperature, the plant growth speeded up. When the first batch of female flowers opened, human excrement and urine were applied once. After the first batch of fruits are harvested, apply 20 kg of compound fertilizer per mu, and then apply fertilizer once every 7-10 days. Zhuangguatilin can be sprayed on the leaves before the flowers. Bitter melon needs a lot of water during the growth process. In the full fruit period, if there is no rain, water should be watered every 5-7 days.

2. Cultivation and weeding. In the seedling stage, combine weeding and shallow field tillage twice. Cultivate 2-3 times during the subsequent growth period. If there are weeds, they can be pulled out manually.

3. Set up a vine. When the melon vine grows to a height of 50-70 cm, thin bamboo poles of about 2 meters in length are inserted next to each plant, and a zigzag frame is placed on each other to fix the bitter melon vine on the bamboo pole to prevent the vine leaves from intertwining. When the bitter gourd starts to draw vines, the side vines should be removed or selected reasonably according to the characteristics of the variety. For varieties with the main vine fruit, the side vines should be removed, and the side vines should not be left below 1 meter. The plants should be removed in the middle and late stages of plant growth and development. The old yellow leaves in the lower part are good for ventilation and light transmission.

4. Disease control. The main diseases of bitter gourd are fusarium wilt, powdery mildew, downy mildew and so on. In the early stage of the onset of fusarium wilt, the new high-fat film and 70% thiophanate methyl wettable powder can be sprayed for prevention and control; when the powdery mildew and downy mildew are onset, the new high-fat film can be sprayed with 200-300 times of 15% Fenmeining. Control.

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