Rapid cultivation technology

Also known as rapeseed, green cabbage, non-head cabbage, etc., it grows fast and can quickly increase the supply of fresh vegetables in the market. Introduction to Cultivation Technology:

1. Variety selection: suitable varieties are Shanghai April Slow, Shanghai May Slow, Anhui April Green, Hangzhou Silk Cabbage, Nanjing April White, Changsha Chi cabbage, Shanghai February Slow, Shanghai March Slow, Wuxi March White , Hangzhou Late Oil Winter, Nanjing White Leaf, etc. South China has water cabbage, spring water cabbage, Kwai Peng cabbage, red slow cabbage and so on.

2. There are two kinds of sowing methods: â‘ Live broadcast: apply rotten organic fertilizer 4-5T before sowing, level the ploughing and raking, ditch sowing, line spacing 20cm, 2 seedlings after emergence, 4-5 true leaves when fixed , Plant spacing 15-20cm. The seed volume is 0.5-0.8kg per mu. â‘¡Cultivation of seedlings: Select loose and fertile soil blocks as seedling beds. Apply 1.5-2.0T decomposed organic fertilizer per acre as basal fertilizer, the amount of seed used is 1.5-2.0kg per acre, and 5-8 acres can be transplanted. Spraying a new high-fat film after sowing can protect the moisturizing and fertilizer, heat preservation and freezing prevention, soil layer compaction, suffocation and isolation of disease and insect sources, and improve the emergence rate. After emergence, the seedlings are 2-3 times, the seedling distance is about 4cm, and the seedlings can be planted with 5-6 true leaves. Fertilization and row spacing before planting are equivalent to direct seeding.

3. Fertilizer and water management: Water should be planted immediately after planting. Top-up fertilizers such as urea are applied 1-2 times before harvesting, and generally 5-10kg of urea per acre is applied. Stop fertilizing 10 days before harvest. Watering is generally combined with fertilization. Regular spraying of Zhuangshenling can make the plant stalks strong, the leaves are thick, the leaves are tender, and the natural taste is strong. At the same time, the amount of pesticides and fertilizers can be reduced and the residual poison can be reduced.

4. Pest control is mainly to control aphids, which can be sprayed with 1000-2000 times solution of 40% dimethoate EC or 5% malathion powder. Conditions can be used in 25 mesh insect nets for full-cover cultivation.

5. The picking period of pickled cabbage is not strict, depending on climatic conditions and consumption habits. From four to five leaf seedlings to growing plants can be harvested one after another.

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