Hydrangeon is a cruciferous vegetable introduced from Japan. The young leaf salad, fried food, fragrant and delicious, unique flavor, favored by consumers.
First, the characteristics of plants more upright, plant height 38 cm, degree of development of 56 cm, axillary buds strong germination, and more tillers. The leaves are lanceolate, 45 cm long and 16 cm wide. The leaves are in deep strips. The lobes are 4 pairs. The leaves are smooth and green, and the petiole is white. There are 150 to 200 pieces of leaves. Individuals weigh 300-500 grams, generally 2,000 kilograms per 667 meters.
Beijing Shui Cai is not resistant to heat, likes the cold and humid environment, the suitable temperature for growth is 15-25°C, the temperature is too high, and it is susceptible to viral diseases.
Second, cultivation technology
1. The sowing time of seedlings, seedlings, and rice seedlings is greater, and they can be sown in stages from late July to late October and listed in stages. Seedbed should be selected fertile, loose, sunny, pest-free plots. Before the planting, the deep-turning soil shall be sowed. For every 667m2, 1,000 dry grams of compost shall be applied as basal fertilizer, and the 1% carbendazim or thiophanate solution shall be used to disinfect the soil. Covering the shade net after sowing, emergence after 2-3 days, frame shade, 1-2 true leaf time seedlings, seedling 25-30 days.
2. Colonization When the seedlings have 4-5 true leaves, they can be planted, generally 1.5 meters in open hatches, planted in 5 rows, 30 cm in spacing, and 6,000 plants per 667 meters. When planting, root damage should be minimized and roots should not be distorted. After planting, pour enough water to facilitate the rapid return to green.
3. Re-using basal fertilizer, timely top-dressing basal fertilizer to organic fertilizer, 667 meters per 667 meters into the compost 2000 kg, 50 kg of compound fertilizer. Jinghui cuisine is a shallow root crop. Top dressing should grasp the principle of “first lighter, thicker, first less, more laterâ€, and top dressing 4 times during the whole growing season. After the first 7-10 days after planting, the first top dressing was performed with 2:8 (2 parts of fertilizer and 8 parts of water) thin manure and livestock manure; the second top dressing was applied 15-20 days after planting, and 2 treatments were applied every 667 m. Into the decomposed human and animal waste water 1000 kg, urea 3-4 kg, to promote plant growth; the third top dressing in the mid-delivery, each 667 m 2 applied into the decomposed human and manure water 1500 kg, urea 5 to 6 kg, to promote the growth of tiller leaves The fourth top-dressing during the period of high yield, every 667m2 was applied with 2000kg of decomposed high-quality human and animal manure water and 7-8kg of urea to promote the rapid growth of leaves and increase the yield per unit area.
4. Strengthen pests and diseases Prevention and treatment of major pathogens of Beijing cabbage is virus disease. Viral disease is mainly transmitted by winged aphids. After planting till 20 days before harvesting, it is generally sprayed once every 7 to 10 days with 40% gecomalin EC 800 times solution or 50% Lubanwu WP 1500 times, and sprayed 2-3 times. It can achieve the effect of pest control and disease prevention.
5. Harvesting When the planting reaches 12 or more, it can be harvested and marketed one after another. Premature harvest yields are low, and late harvesting results in more crude fiber and lower quality.
First, the characteristics of plants more upright, plant height 38 cm, degree of development of 56 cm, axillary buds strong germination, and more tillers. The leaves are lanceolate, 45 cm long and 16 cm wide. The leaves are in deep strips. The lobes are 4 pairs. The leaves are smooth and green, and the petiole is white. There are 150 to 200 pieces of leaves. Individuals weigh 300-500 grams, generally 2,000 kilograms per 667 meters.
Beijing Shui Cai is not resistant to heat, likes the cold and humid environment, the suitable temperature for growth is 15-25°C, the temperature is too high, and it is susceptible to viral diseases.
Second, cultivation technology
1. The sowing time of seedlings, seedlings, and rice seedlings is greater, and they can be sown in stages from late July to late October and listed in stages. Seedbed should be selected fertile, loose, sunny, pest-free plots. Before the planting, the deep-turning soil shall be sowed. For every 667m2, 1,000 dry grams of compost shall be applied as basal fertilizer, and the 1% carbendazim or thiophanate solution shall be used to disinfect the soil. Covering the shade net after sowing, emergence after 2-3 days, frame shade, 1-2 true leaf time seedlings, seedling 25-30 days.
2. Colonization When the seedlings have 4-5 true leaves, they can be planted, generally 1.5 meters in open hatches, planted in 5 rows, 30 cm in spacing, and 6,000 plants per 667 meters. When planting, root damage should be minimized and roots should not be distorted. After planting, pour enough water to facilitate the rapid return to green.
3. Re-using basal fertilizer, timely top-dressing basal fertilizer to organic fertilizer, 667 meters per 667 meters into the compost 2000 kg, 50 kg of compound fertilizer. Jinghui cuisine is a shallow root crop. Top dressing should grasp the principle of “first lighter, thicker, first less, more laterâ€, and top dressing 4 times during the whole growing season. After the first 7-10 days after planting, the first top dressing was performed with 2:8 (2 parts of fertilizer and 8 parts of water) thin manure and livestock manure; the second top dressing was applied 15-20 days after planting, and 2 treatments were applied every 667 m. Into the decomposed human and animal waste water 1000 kg, urea 3-4 kg, to promote plant growth; the third top dressing in the mid-delivery, each 667 m 2 applied into the decomposed human and manure water 1500 kg, urea 5 to 6 kg, to promote the growth of tiller leaves The fourth top-dressing during the period of high yield, every 667m2 was applied with 2000kg of decomposed high-quality human and animal manure water and 7-8kg of urea to promote the rapid growth of leaves and increase the yield per unit area.
4. Strengthen pests and diseases Prevention and treatment of major pathogens of Beijing cabbage is virus disease. Viral disease is mainly transmitted by winged aphids. After planting till 20 days before harvesting, it is generally sprayed once every 7 to 10 days with 40% gecomalin EC 800 times solution or 50% Lubanwu WP 1500 times, and sprayed 2-3 times. It can achieve the effect of pest control and disease prevention.
5. Harvesting When the planting reaches 12 or more, it can be harvested and marketed one after another. Premature harvest yields are low, and late harvesting results in more crude fiber and lower quality.
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