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Detailed Explanation of Key Cultivation Techniques for Greenhouse Gogi Berry Greens

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Gogi berry greens are a vegetable that is planted once and yields benefits for many years. When growing gogi berry greens in a greenhouse, plastic film is used in winter to keep the greenhouse warm, and in summer bitter gourd and loofah are grown to provide shade and increase humidity, making year-round supply possible. The cultivation techniques are introduced as follows: 1. Seedling raising. Generally, from mid-to-late February to early March, healthy branches of wild gogi berry are cut for cutting propagation. ① Seedbed preparation. Choose a plot that is sheltered from the wind, faces the sun, has convenient irrigation and drainage, and is far from pollution. In mid-January, remove weeds, deep-plow 15-20 cm, and apply 1000 kg of decomposed human and livestock manure and 1200 kg of burnt soil ash per 667 sq m, then rake evenly; in mid-February, rake once more, and make flat beds with a bed surface width of 1.2 m, a ditch width of 20 cm, and a ditch depth of 20 cm. ② Cutting. From mid-February to early March, cut one-year-old healthy branches of wild gogi berry, cut them into short cuttings about 15 cm long, with flat cut ends, and insert them obliquely into the seedbed at a row spacing of 5 cm and a plant spacing of 2 cm, with the axillary buds facing up. The insertion depth is 3/4 of the cutting, and the density is 500,000-600,000 per 667 sq m. After insertion, water thoroughly, insert one 2 m long bamboo hoop every 1 m, then cover with 0.014 mm thick, 2 m wide polyethylene agricultural film to keep warm and moist.

Gogi berry greens are a vegetable that is planted once and yields benefits for many years. When growing gogi berry greens in a greenhouse, plastic film is used in winter to keep the greenhouse warm, and in summer bitter gourd and loofah are grown to provide shade and increase humidity, making year-round supply possible. The cultivation techniques are introduced as follows:

1. Seedling raising. Generally, from mid-to-late February to early March, healthy branches of wild gogi berry are cut for cutting propagation. ① Seedbed preparation. Choose a plot that is sheltered from the wind, faces the sun, has convenient irrigation and drainage, and is far from pollution. In mid-January, remove weeds, deep-plow 15-20 cm, and apply 1000 kg of decomposed human and livestock manure and 1200 kg of burnt soil ash per 667 sq m, then rake evenly; in mid-February, rake once more, and make flat beds with a bed surface width of 1.2 m, a ditch width of 20 cm, and a ditch depth of 20 cm. ② Cutting. From mid-February to early March, cut one-year-old healthy branches of wild gogi berry, cut them into short cuttings about 15 cm long, with flat cut ends, and insert them obliquely into the seedbed at a row spacing of 5 cm and a plant spacing of 2 cm, with the axillary buds facing up. The insertion depth is 3/4 of the cutting, and the density is 500,000-600,000 per 667 sq m. After insertion, water thoroughly, insert one 2 m long bamboo hoop every 1 m, then cover with 0.014 mm thick, 2 m wide polyethylene agricultural film to keep warm and moist.

2. Transplanting. In mid-March, deep-plow the soil in the greenhouse 15-20 cm, and broadcast 100 kg of quicklime per 667 sq m for disinfection. Then apply 20 kg of compound fertilizer, 100 kg of decomposed cake fertilizer, 1000 kg of decomposed human and livestock manure, and 1500 kg of burnt soil ash per 667 sq m. After fine cultivation and even raking, make north-south flat beds with a bed width of 1.2 m, a ditch width of 20 cm, and a ditch depth of 20 cm, with 4 beds per greenhouse. In early April, transplant gogi berry seedlings that have grown new roots and tender leaves at a plant spacing of 20 cm and a row spacing of 40 cm, with 3 rows per bed and 4500-4800 plants per greenhouse, and water thoroughly after planting to settle the roots.

3. Fertilizer and water management. After the transplanted gogi berry survives, apply 1500 kg of decomposed human and livestock manure or burnt soil ash per 667 sq m every 30-40 days. According to soil moisture and the growth of gogi berry greens, water once every 15-20 days. For plots with weak growth, apply 5-10 kg of urea per 667 sq m.

4. Temperature management. Greenhouse gogi berry greens are produced year-round. Generally, in late October, when the average daily outdoor temperature drops below 15°C, cover with greenhouse film to keep warm, and ventilate heavily for the first 5-7 days. After the gogi berry seedlings gradually adapt to the greenhouse climate conditions, cover the greenhouse film tightly. In early April, when the average daily outdoor temperature stabilizes above 10°C, open the film around the greenhouse for ventilation and hardening of the seedlings, and remove the greenhouse film after 1 week. In early July, when the average daily outdoor temperature rises above 25°C, cover with a 6 m wide shade net with 70% shading to cool down, and remove the shade net in early September.

5. Interplanting method with home-style vegetables. In order to provide a good growing environment for gogi berry greens and avoid the high-temperature season from July to September, crops such as loofah, bitter gourd, and hyacinth bean are often interplanted to provide shade. The specific operation is as follows: raise seedlings in early March, transplant in early April, leave 40 cm wide on each side of the greenhouse, make beds in the middle of the greenhouse with a bed width of 1.2 m and a ditch width of 20 cm, transplant at a plant spacing of 60 cm, and plant 1 row of shade crops per bed. In early May, set up trellises to reach the greenhouse. This can both produce home-style vegetables and provide shade for the growth of gogi berry greens.

6. Harvesting. When newly sprouted branches grow to more than 20 cm, before the basal leaves age, pinch off the tender shoots at the base. When picking and packaging, prevent sand, weeds, and other impurities from mixing into the gogi berry leaves.

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