Causes and Solutions of non-inclusion of Chinese Cabbage in Summer

When it comes to vegetables, cabbage is definitely indispensable on the table in our country. There are many ways to eat cabbage, such as pickled cabbage, spicy cabbage, etc. The market demand is large, and there are many people planting it. However, in recent years, Chinese cabbage summer does not contain heart problems, so that many farmers are very headache, let's take a look at the summer cabbage does not contain heart reasons and solutions.

I. Unintentional reasons

1. Reasons for irrigation

Summer high temperature and high humidity, rainfall is relatively large and frequent, Chinese cabbage in a humid environment for a long time, will seriously affect its growth, high humidity environment for Chinese cabbage is a very challenging thing, so often lead to its heart. In addition, the summer temperature is higher, cabbage grows faster, and the water required is larger. If the water is insufficient, it will also cause it not to include the heart, so pay attention to irrigation, not too much or too little, and drain in time after the rain to avoid ponding.

2. Reasons for fertilization

Summer high temperature, many farmers in order to promote the growth of cabbage, shorten the growth cycle, so that it can be listed ahead of time, often focus on the application of quick-acting nitrogen fertilizer, but do not pay attention to the application of other fertilizers, resulting in excessive nitrogen fertilizer, phosphorus and potassium fertilizer guarantee, resulting in the problem of loose or loose core.

3. Causes of diseases and insect pests

Summer high temperature and humidity environment is also the high incidence of diseases and insect pests, when common diseases and insect pests are dry heart disease, soft rot, powdery mildew, virus disease, aphids, cabbage caterpillar and so on. These diseases and insect pests will affect the growth of Chinese cabbage to a great extent, and there will be no heart phenomenon.

II. Solutions

1. Scientific irrigation

In the cabbage white heart ball setting period, to maintain a uniform supply of water, remember less and less, to keep the soil moist, but each time watering should not be too much, with a small amount of frequent watering, generally watering once in the morning and evening, not at noon watering. After watering, weeds can be covered in low-lying areas of the field to reduce water evaporation and maintain appropriate soil moisture.

2. Reasonable fertilization

In cabbage heading stage, we should apply fertilizer reasonably, control the amount of nitrogen fertilizer, increase the application of phosphorus, potassium and organic fertilizer, so as to inhibit the flourishing growth of cabbage and promote its heading. Before ball formation, potassium dihydrogen phosphate and ternary compound fertilizer should be applied respectively, generally about 10-15 kg per mu, and the method of spraying should be adopted.

3, artificial core

In cabbage heart stage can be used artificial auxiliary heart method, can use rope will not heart cabbage tied together, so in the later stage it can still be heart,

4. Foliar fertilizer

In cabbage heading stage, 0.3% urea and potassium dihydrogen phosphate solution can be sprayed once every 7-10 days, and continuous spraying for 2-3 times has obvious effect on cabbage heading.

5, pest control

Pay attention to the leaf changes in the cabbage core stage, timely control of pests and diseases, prevent further spread of pests and diseases, dig out the diseased plants that cannot be treated in time and take them out of the field, and disinfect the diseased holes.

The above is the summer cabbage does not include the reason and solution introduction, hope to help you, want to know more related knowledge, please pay attention to us.