Broccoli is also called broccoli. Its edible part is green curd, which is rich in nutrients. It is the best vegetable among cabbage vegetables. Now it is mostly used for health care. Because of its strong disease resistance, it is now used by farmers. Friends have grown extensively, so what cultivation and management techniques are there for broccoli? Let's get to know it together!
Broccoli cultivation and management techniques
1. Site preparation
Generally, before planting, it is necessary to turn over the land, dig a suitable size planting hole, and apply 1500 kg of decomposed farmyard manure per mu and about 50 kg of compound fertilizer, and mix it with the soil evenly.
Broccoli cultivation techniques
2. Cover film
In order to retain water, fertilizer, heat, and inhibit weed growth, it is necessary to cover with a film, and then press the edge of the film with soil blocks.
3. When planting, punch a hole in the mulch film above the pond, plant the seedlings, and cover the joint between the root neck and the mulch film with soil. Then pour enough root water to help survive.
Broccoli planting techniques
4. Planting management
(1) Top dressing: Broccoli requires a large amount of fertilizer. Nitrogen fertilizer is applied in the seedling stage to promote vegetative growth, and fertilization is controlled in the middle to prevent excessive growth. In the later stage, the ball fertilizer is used to promote the growth of the flower bulb.
(2) Moisture: The growth of broccoli needs to keep the soil moist. Generally, watering is done after top dressing. Only by controlling the water supply can the broccoli balls expand more and increase the yield.
(3) Main diseases and insect pests and control technology: Broccoli has strong disease resistance, and the pest damage is not serious. The common diseases and insects are: downy mildew, soft rot, diamondback moth, cabbage caterpillar, and vegetable aphid.
Diseases: Downy mildew can be found in the early stage, and black rot can be easily prevented in the later stage. Baijunqing, Dixon, and hydrazine can be used to prevent and control. If the disease occurs later, it will seriously threaten the quality of broccoli, so it is necessary to spray Streptomyces sulfate in time Vegetarian for prevention and control.
Insect pests: The common pests are Plutella xylostella, Pieris rapae, and Aphid, which need to be sprayed alternately by the farmers with Diazepam, Acetamiprid and Diaosijing.
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