Cultivation Techniques of Chinese Cabbage and Half-balloon Cabbage
Royal Gala Apple,Fresh Gala Apple,Top Red Apple Brother International Trading Co., Ltd. , http://www.jn-food.com
November 10 17:01:55, 2018
First, the sowing season Wenzhou area can be planted in the greenhouse in March, in late April can be open sowing, sowing in batches until September. Second, pre-broadcast preparation 1, seed treatment before sowing 3 to 4 days, the seeds in the sun drying a sun, kill some bacteria, increase the germination potential. 2. Land preparation The land with fertile soil and good water conservancy conditions should be selected. 3, suitable for basal fertilizer Mu Shi human urine 40 to 50, or cooked 100kg. 4, deep groove wide width (even ditch) 1.5m is good, requires deep trenches to facilitate drainage. When the drought is over, water is poured to facilitate seed germination and emergence. Second, sowing 1, sowing volume for the amount of Chinese cabbage cultivated acres 500 ~ 750g. For semi-knot cabbage cultivation, live broadcast acres of 150g. 2. Seeding method for cabbage cultivation using uniform sowing, half-ball cabbage cultivation using drilling. Third, the shade covering immediately after sowing, take a small shed roof shade net or old agricultural film, to cover light, high temperature, direct impact of anti-rainstorm, grasp the cover of the night cover, sunny cover, cover generally about 10 days, exposing Go cover. IV. Field management 1. When the seedlings are planted 2 to 3 days after sowing, the first time the seedlings are planted, it is better not to be late as soon as possible and the dense seedlings are deleted. When 4 true leaves were used, the second time the seedlings were planted and the diseased seedlings and weak seedlings were eliminated. The seedling distance was maintained according to the requirements for listing. 2, top dressing fertilizer 2 to 3 times, the main nitrogen fertilizer, fertilizer and water, apply a total of 20 ~ 25kg urea, to ensure the normal supply of nutrients. 3, drought drought combined with topdressing thin fertilizer, watering sooner or later, to meet the water requirements of leafy vegetable growth. 4. When a storm ditch is in the storm, it is necessary to clear the ditch in time to prevent damage. V. Pest prevention and control 1. The main insect pests of pests are vegetable borers, diamondback moth, cabbage caterpillars, aphids, etc. From the start of the cotyledons, use 20% of chlorhexidine 2,000 times, or 25% of chrysanthemum ester 3000 times, or an enemy. Kill 6500 times liquid, spraying once every 5 to 7 days. After the second inter-seedling, the plant was replaced with 2000 times liquid of Sitabao, and the amount of spray was sufficient to make it even and thoughtful. 2. The main disease-causing diseases are soft rot and white spot disease. Leaf vegetables are sprayed with 800-1000 times thiophanate or 600-800 times wells to prevent "rot." Sixth, timely harvest According to market needs, rush to harvest before the storm, in order to reduce off-state rotten vegetables.