The causes and Solutions of the latest Summer Chinese Cabbage

When it comes to vegetables, cabbage must be indispensable on the table in our country, and there are many ways to eat cabbage, such as pickled cabbage, spicy cabbage and so on. But recently, the uncaring problem of Chinese cabbage in summer has given many farmers a headache. Let's take a look at the reasons and solutions for the uncaring of Chinese cabbage in summer.

First, the reason for not caring.

1. Reasons for watering

High temperature and humidity in summer, rainfall is relatively large and frequent, Chinese cabbage has been in a humid environment for a long time, which will seriously affect its growth. High humidity environment is a very test thing for Chinese cabbage heart, so it often leads to its lack of care. In addition, the summer temperature is higher, the cabbage grows faster, and the water required is larger, if the water is insufficient, it will also lead to its non-inclusion, so irrigation should be paid attention to, not too much or too little, and drainage should be done in time after rain to avoid stagnant water retting.

2. Reasons for fertilization

With the high temperature in summer, in order to promote the growth of Chinese cabbage, shorten the growth cycle and put it on the market in advance, many farmers often focus on the application of available nitrogen fertilizer, but do not pay attention to the application of other fertilizers, resulting in too much nitrogen fertilizer in the soil and guarantee of phosphorus and potassium fertilizer. as a result, there is no package or not tight.

3. Causes of diseases and insect pests

Summer high temperature and humidity environment is also a high incidence period of diseases and insect pests, when the common diseases and insect pests are dry heart disease, soft rot, powdery mildew, virus diseases, aphids, cabbage insects and so on. These diseases and insect pests will affect the growth of Chinese cabbage to a great extent.

II. Solutions

1. Scientific irrigation

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

2. Rational fertilization

In the cabbage heart stage, it is necessary to fertilize reasonably, control the amount of nitrogen fertilizer, and increase the application of phosphorus and potassium fertilizer and organic fertilizer, so as to restrain the growth of Chinese cabbage and promote its balling. Before setting the ball, the potassium dihydrogen phosphate and ternary compound fertilizer should be applied respectively, generally about 10-15 kg per mu, and the method of leaching should be adopted.

3. Artificial pericardium

The artificial assisted wrapping method can be used in the cabbage heart stage, and the unwrapped cabbage can be tied together with a rope, so that it can still wrap the heart in the later stage.

4. Foliar fertilizer

In the cabbage heart period, 0.3% urea potassium dihydrogen phosphate solution can be sprayed every 7-10 days for 2-3 times, which has an obvious effect on the cabbage heart.

5. Pest control

In the cabbage heart period, we should pay attention to the changes of leaves, find that diseases and insect pests can be controlled in time, prevent the further spread of diseases and insect pests, dig out the disease plants that can not be treated in time, and disinfect the disease holes.

The above is the summer cabbage does not care about the reasons and solutions, hope to help you, want to know more related knowledge, please follow us.