What should I do if the cabbage does not contain heart?

Chinese cabbage that hasn't been heart-packed, or has an inaccurate heart-packed cabbage, is not only of poor quality, but also has a low yield of clean vegetables, and it is not welcomed by consumers. So why does the cabbage appear inconspicuous? How to prevent it?

Causes

1. Excessive humidity in the field

During the growth period of Chinese cabbage, frequent rains, excessive humidity in the field, hindered the growth of cabbage, slow growth of cabbage, easy to be unwholesome.

2. Uneven watering

During the period of vigorous growth of cabbage, if drought fails to water in time, or too much watering at one time, the cabbage will be soaked in water for too long, and uneven dryness and wetness will easily cause the cabbage to become unwound.

3. Fertilization is not scientific

Cabbage is a leafy vegetable. Many farmers like to apply a lot of nitrogen fertilizer and ignore the application of phosphorus and potassium fertilizer. The nutrition of the cabbage is not balanced, and there is excess nitrogen fertilizer and insufficient phosphorus and potassium fertilizer, resulting in the cabbage is not cored or compacted.

4. Failure to control pests and diseases in time

During the vigorous growth period of cabbage, diseases and insect pests are also prone to occur, which will affect the growth of cabbage to a certain extent, and also cause the cabbage to become uninvolved.

Prevention

1. Choose a variety of cabbage that is easy to wrap.

2. Water reasonably. Scientifically water the cabbage during the rosette, heart-wrapping, and heading periods to ensure adequate water supply and uniform moisture. Keep the soil moist.

3. Reasonable fertilization. During the growth period of Chinese cabbage, it is necessary to apply fertilizers reasonably, not only applying nitrogen fertilizer, but also not neglecting the application of phosphorus, potassium fertilizer and organic fertilizer.

4. Prevent pests and diseases in time. When the cabbage starts to wrap the core, check the leaves frequently to prevent downy mildew and soft rot and other diseases, and promptly apply medicine to prevent pests.

5. Measures to promote the filling of cabbage

(1) Spray foliar fertilizer to promote core packing. In the heading stage of cabbage, foliar fertilizer can be sprayed to promote the filling of cabbage. You can spray 0.3% urea 0.3 potassium dihydrogen phosphate mixture, spray once every 7-10 days, spray evenly 2-3 times, which can promote the filling of cabbage.

(2) Spray the special packing agent for cabbage. The agricultural material shop has a special filling agent for cabbage, which can have a good filling effect.

(3) Bundle leaves of cabbage. Bunch leaves are bundles of leaves. Use sweet potato vines, rice stalks, etc. to lift the outer leaves and wrap the leaf bulbs during the heart-packing period of cabbage, which can also promote cabbage heart-packing. It is also not conducive to heading, and the cabbage is out of shape.

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