Quality cultivation techniques of summer cabbage
2019-07-20 13:04:05
Summer cabbage is listed between summer and autumn. At this time, it is a season when the supply of vegetables is off-season and the benefits are high. Because the summer cabbage germinating period, seedling stage is in hot summer, this period of high temperature and rain, long sunshine, serious pests and diseases, so when planting cabbage in the summer must select quasi-species, take appropriate management measures. After many years of practice, we have summed up the key technologies for the cultivation of high yields and high yields of summer cabbage for reference by farmers.
First, variety selection Xia cabbage has a special reproductive environment, and different varieties have different adaptability to the environment. In the northern region of our province, Yuyuan 50, Xiayou 1, Xiayou Wang and other varieties sown from early June to early July can be selected; Yuyao 2 and Henan cabbage can be planted from early July to early August. No. 5, Lubai 6, Xiaoza 56 and other varieties.
Second, the site preparation fertilization summer cabbage vigorous growth, demand for large quantities of water and fertilizer but not intolerant, production should be re-applied base fertilizer, high ridge cultivation methods. Normally, per acre applied to compost organic fertilizer 3000 to 4000 kg, 40 to 50 kg of diammonium phosphate. Fine soil preparation after fertilization, made of high ridge, requires ridge width 80 cm, ridge height of 15 to 20 cm, groove width of 50 cm.
Third, sowing cabbage seed sowing seedlings and sowing are two kinds, drill seeding amount per acre of 150 to 200 grams, seed sowing amount of 100 to 150 grams. The planting density requires a spacing of 50 cm, a spacing of 43 to 45 cm, and about 3,000 plants per acre. When sowing, the poor soil moisture must be poured first enough to sow the water again.
Fourth, field management Xia cabbage has a short period of growth, production should adopt a management approach to promote the end. Seedling stage and time seedlings, Dingmiao, fill the seedlings, timely watering, loose soil, the weather is dry and no rain, every 2 to 3 days, pouring a small amount of water, in case of rain in the fields when the water should be promptly discharged to prevent seedlings affected by Waterlogging disease. The rosette period is mainly promoted, promotes control and integration, and strengthens the management of fertilizer and water in the event that the cabbage is not prosperous. The ball stage is dominated by topdressing, and the combination of water application of human urine or diammonium phosphate 2 to 3 times. Generally, 2000-3000 kg of excrement or 20-30 kg of diammonium phosphate is applied per mu.
Fifth, pest and disease prevention Summer cabbage diseases and pests occur heavier, must be early detection and prevention. The main diseases of summer cabbage are downy mildew and soft rot. For downy mildew can be used 40% alfa aluminum wettable powder 150 ~ 200 times or 75% chlorothalonil wettable powder 500 times spray; soft rot can be used 100 ~ 150 mg / liter of agricultural streptomycin spray. Spray once every 7 days or so, spray 2 or 3 times. Insect pests such as aphids and cabbage caterpillars can be controlled with 4.5% beta-cypermethrin 1000-1500 times.
6. Timely harvesting of listed Chinese cabbage can be harvested when it grows to 7-80%. The specific harvest time can also be determined according to the market conditions, and it will be harvested when the Chinese cabbage price is high, so as to obtain larger Economic benefits.
First, variety selection Xia cabbage has a special reproductive environment, and different varieties have different adaptability to the environment. In the northern region of our province, Yuyuan 50, Xiayou 1, Xiayou Wang and other varieties sown from early June to early July can be selected; Yuyao 2 and Henan cabbage can be planted from early July to early August. No. 5, Lubai 6, Xiaoza 56 and other varieties.
Second, the site preparation fertilization summer cabbage vigorous growth, demand for large quantities of water and fertilizer but not intolerant, production should be re-applied base fertilizer, high ridge cultivation methods. Normally, per acre applied to compost organic fertilizer 3000 to 4000 kg, 40 to 50 kg of diammonium phosphate. Fine soil preparation after fertilization, made of high ridge, requires ridge width 80 cm, ridge height of 15 to 20 cm, groove width of 50 cm.
Third, sowing cabbage seed sowing seedlings and sowing are two kinds, drill seeding amount per acre of 150 to 200 grams, seed sowing amount of 100 to 150 grams. The planting density requires a spacing of 50 cm, a spacing of 43 to 45 cm, and about 3,000 plants per acre. When sowing, the poor soil moisture must be poured first enough to sow the water again.
Fourth, field management Xia cabbage has a short period of growth, production should adopt a management approach to promote the end. Seedling stage and time seedlings, Dingmiao, fill the seedlings, timely watering, loose soil, the weather is dry and no rain, every 2 to 3 days, pouring a small amount of water, in case of rain in the fields when the water should be promptly discharged to prevent seedlings affected by Waterlogging disease. The rosette period is mainly promoted, promotes control and integration, and strengthens the management of fertilizer and water in the event that the cabbage is not prosperous. The ball stage is dominated by topdressing, and the combination of water application of human urine or diammonium phosphate 2 to 3 times. Generally, 2000-3000 kg of excrement or 20-30 kg of diammonium phosphate is applied per mu.
Fifth, pest and disease prevention Summer cabbage diseases and pests occur heavier, must be early detection and prevention. The main diseases of summer cabbage are downy mildew and soft rot. For downy mildew can be used 40% alfa aluminum wettable powder 150 ~ 200 times or 75% chlorothalonil wettable powder 500 times spray; soft rot can be used 100 ~ 150 mg / liter of agricultural streptomycin spray. Spray once every 7 days or so, spray 2 or 3 times. Insect pests such as aphids and cabbage caterpillars can be controlled with 4.5% beta-cypermethrin 1000-1500 times.
6. Timely harvesting of listed Chinese cabbage can be harvested when it grows to 7-80%. The specific harvest time can also be determined according to the market conditions, and it will be harvested when the Chinese cabbage price is high, so as to obtain larger Economic benefits.
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