What is the cause of the yellowing of cabbage leaves, and what is the cause of the yellowing of cabb

There are four main reasons for the yellowing of cabbage leaves: one is that the soil moisture is too heavy, the second is that the leaves are exposed to the sun, the third is that the temperature is too low and the leaves are frozen, and the fourth is the lack of fertilizer in the soil.

During the planting of cabbage, it is necessary to water properly according to the dryness and humidity of the soil, and the water should not be too much.

Hello friends, the main reason for the yellowing of cabbage leaves should be the lack of nutrients, and the other is caused by short light time and low temperature. Pay attention to prolonging the light, increase the temperature in the shed, and add some nutrient solution when topdressing.

The yellowing of Chinese cabbage leaves may be due to lack of fertilizer and malnutrition, and the leaves will turn yellow due to lack of nutrients.

The soil where Chinese cabbage is planted is too much moisture, causing the roots of the cabbage to rot, and the cabbage leaves will lose their luster and gradually turn yellow.

Lack of water, which is similar to lack of fertilizer, is caused by insufficient nutrients to cause the leaves to turn yellow.

The yellowing of Chinese cabbage leaves can be caused by lack of fertilizer, excessive soil moisture, insufficient moisture, or insect infestation.

What are the main reasons for the yellowing of cabbage leaves, which should be the yellowing of cabbage leaves, which is the reason for the loss of water and lack of water, and the other is that the sun is exposed to the sun for a long time, and there is a lack of nutrients.

The cabbage leaves turn yellow. Is there a lack of water? I planted cabbage this summer, in the yard. Because I was too lazy to water, after a while, the leaves of the cabbage were all yellow. It tastes very old.

What is the reason for the yellowing of cabbage leaves, either the temperature is too low, or there is a lack of trace elements, you can supplement some phosphate fertilizer, nitrogen fertilizer and potassium fertilizer.

If the cabbage leaves are stored when the leaves are yellow, the reason is that the temperature in the room is too high, resulting in the yellowing of the cabbage.

Summary. Hello, dear, the possible reasons for the yellowing of the leaves of the cabbage seedlings are: 1. The cabbage seedlings are too dry and the soil moisture is insufficient. 2. There is too much water in the soil, and the cabbage seedlings turn yellow. 3. The dosage of drugs or fertilizers is too large, causing the cabbage seedlings to turn yellow.

Hello, dear, the possible reasons for the yellowing of the leaves of cabbage seedlings are: 1. The cabbage seedlings are too dry and the soil moisture is insufficient. 2. There is too much water in the soil type, and the cabbage seedlings turn yellow.

3. The dosage of drugs or chemical fertilizers is too large, which causes the cabbage skin to turn yellow.

Cover the film before playing 30m of flubellurona per sprayer.

The same is true for other fields.

Hello, dear, it means that there is some overdose when taking medicine, and you should not spray too much cabbage when taking medicine, and the damage can be slowly alleviated.

Sprayed on the soil, no seedlings were beaten.

Then don't worry about the smile, it is possible that when covering the mulch, the photosynthesis is appropriately weaker than the macro, which causes the chlorophyll synthesis to decrease, and the yellow leaves appear, which will be restored?

The first spray, then the seedlings, other fields also use this no problem.

The soil conditions of the fields in different difficult sections are not exactly the same, there will be slight differences, and there will be slight differences in the degree of absorption of drugs, which is also very combusting.

The yellowing of cabbage leaves is due to soil waterlogging, insufficient light, low temperature, pests and diseases.

1. Soil waterlogging: too frequent watering will lead to excessive soil moisture, and the old leaves will gradually turn yellow in the later stage.

2. Insufficient light: Without enough sunlight, vegetables will not be able to differentiate normally, which will lead to yellowing of leaves.

3. The temperature is too low: low temperature will reduce the respiration rate of vegetables, slow down the absorption of water and mineral elements, and the symptoms of leaf yellow will appear.

4. Pests and diseases: aphids, spotted fly, whitefly and other pests cause leaf shrunken, curled, yellowed, spotted, and even the whole leaf yellows and falls off.

Yellowing of cabbage leaves

1. The amount of irrigation should be controlled in time when the soil is waterlogged, and the amount of soil loosening, drainage, and increasing the ventilation of the shed.

2. If the light is insufficient, artificial light, pinching and beating should be carried out in time, and different colors of plastic film can be selected to adjust the light quality of greenhouse vegetables.

3. When the temperature is too low, the heating and insulation of the shed can be strengthened, and irrigation at high temperature at noon can be avoided.

4. Pests and diseases should be prevented at the seedling stage, seed disinfection and soil disinfection should be carried out at the seedling stage, and timely symptomatic prevention and control of pests and diseases should be carried out once they are found in the field. And it is necessary to apply the medicine in strict accordance with the regulations, and avoid using the drug at the high temperature at noon. Once the pesticide damage occurs, it should be rinsed with water as soon as possible.

5. Strengthen management to check the situation day and night, increase manual disinfection, remove pests according to instructions, regularly and regularly disinfect, and be sure to disinfect at the appropriate time.