When is purple cabbage planted? High-yield cultivation management technology of purple cabbage
How to grow purple cabbage? In the past, the old man said that purple cabbage and cabbages can fight cancer and eat more. Now the young people in the city are more and more sought after for purple cabbage, because purple cabbage meets the current trend of health care. Let's take a look at the cultivation points of purple cabbage.
First, the variety selection
For varieties of purple cabbage, it is recommended to choose spring-sowed and early-maturing varieties in spring sowing, such as Hongmu, Zahonghong and Zigan No.1.
Second, sowing seedlings
Taking Nanjing as an example, protected seedlings can be planted from mid-December to mid-March, and mid-December is the most appropriate. A seed bed of 16 m2 per acre of field requires 50 grams of seeds. Before planting, 20 kg of urea can be applied per mu, 40 kg of compound fertilizer, and twice of shallow tillage. Then spread this kind of seed, must be watered after sowing, and then cover the mulch, increase the temperature of the seedbed, and promote seed germination. After the seeds are germinated, the film can be peeled off. After the purple cabbage seedlings break the heart and grow two true leaves, the seedlings should be separated once, and the seedlings should be about six centimeters away. In the early days of the seedbed, remember to ventilate during the daytime, the shed temperature can be maintained at 15 to 20 degrees, and the night can be kept at around 5 degrees Celsius. Low temperature refining is required before planting.
Third, the selection of local colonization
Purple cabbage planting plots should choose leeward sunny, good drainage, loose soil and fertile soil. Each mu can be used to fertilize 5,000 tons of manure and 100 kilograms of compound fertilizer. After fertilization, remember to plow the land, and the width is generally 2m.
Fourth, field management
After planting purple cabbage, remember to water the seedlings, generally do not need to water more. Seven to ten days after planting, the daytime temperature should be maintained at 25 to 27 degrees, at night it should be maintained at 13 to 15 degrees, and cultivating twice.
The principle of watering from purple seedlings to rosettes is based on the fact that the plots are dry and wet, and the late rosettes should be properly seeded.
V. Prevention and control of pests and diseases
Purple cabbage is very prone to soft rot during the ball-forming period. If you find that the diseased plant must be remembered to be removed in time, you can use 72% agricultural streptomycin-soluble powder 3500 times liquid spray for prevention and control at the beginning of the disease, each seven to ten. Spray once a day or so, and control it three times in a row.
Sixth, timely harvest
From the beginning of June to the beginning of July, when the leaf ball is in real time, it can be harvested in batches, and the picking time is recommended within one month.
In summary, for purple cabbage planting technology, as long as you have done seedlings, land selection, field management, etc., in fact, high yield is very simple, welcome everyone to continue to pay attention to this site, learn the latest purple cabbage cultivation techniques.
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