Greenhouse lettuce, muskmelon, and garlic

In recent years, the author has explored the double-seed model of greenhouse lettuce, muskmelon and green garlic. Lettuce is planted in the middle and late September, transplanted in late October and harvested in mid-March. The muskmelon planted in late February and was raised in late March. Colonization was harvested at the end of June and early July; garlic was planted in late July and harvested in mid-to-late October. Per acre can produce lettuce 4500 ~ 5000 kg, thick skin melon 2500 ~ 3000 kg, garlic 2000 ~ 2500 kg, mu net income up to 1.7 million yuan.

Lettuce is selected from early maturing, cold-resistant purple leaf aroma, cold-resistant white skin, cold-resistant second skin and other varieties. Seedlings in open field, seedlings from 2 to 3 leaves, transplanted with soil from 5 to 6 leaves. The shed is 8 meters wide, 2.8 meters high, and 80 to 100 meters long. The shed is 2 feet wide, 3 to 3.5 meters wide, and the middle side is 50 centimeters wide. The shed is open on both sides. Planting spacing 30 cm, spacing 25 cm, 8500-9000 plants per acre. During the growing period, it is suitable for ventilation and dehumidification to prevent downy mildew, gray mold, sclerotinia, and soft rot. Before harvesting, the insects such as aphids and whitefly should be prevented from entering the shed.

Thick-skinned melons use honey and other early-maturing varieties that are resistant to low temperature, low light, and moisture. Seedlings were cultivated using plug trays and transplanted with 4 to 5 true leaves. In the greenhouse, the plant is planted in the north-south direction, with a height of 20 cm, a width of 2.5 m, a width of 60-70 cm, a drip irrigation pipe, and a mulching cultivating planting melon seedlings. Each row is planted in a row with a plant spacing of 40-45. In centimeters, about 600 plants per acre are planted. The use of climbing cultivation or frame cultivation, single vine pruning or double vine pruning, double vine pruning planting density is half of single vine pruning. Protected cultivation of thick skin muskmelon insects, artificial pollination must be carried out to promote sitting melon. The young melons have sparse melons when they have large eggs and leave 4 melons per plant. When the main vine or vine spread has 24 to 26 true leaves, it will be picked up. The weak plants can retain 1 to 2 vines at the top for growth, maintaining a certain growth potential. All beneficial measures are taken during the growing period to ensure the temperature conditions required for melons. Cultivated melon, melon touch the ground susceptible to pests and diseases, the meat will become hard or rot, can be in the vines when the vine spread under the grass, to avoid contact with the ground melon. When the melons are half-large, they are picked up to improve the color and flavor of the melons. Common diseases include powdery mildew, blight, bacterial brown spot, leaf blight, etc. The pests include aphids, red spider, tea astragalus, leafminer, and so on.

Chrysanthemum has been selected for its anti-disease and storage-resistant varieties such as Ershui Zaoxing and March Huang. Before the planting, a small sorghum planted with thick-skinned melons will be planted and a ditch will be opened every 2m. The garlic seeds are soaked in a 5 to 7°C environment, and are sown when the buds are germinated 10 to 15 days later. The row spacing is 10 cm, the plant spacing is 5 cm, and 130,000 plants are planted per acre. After sowing, 3~4 cm thick wheat straw can be spread in the field, and wheat straw can be distributed between 2500 and 3000 kg/mu to increase the length of pseudo-stem of garlic.

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