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Anonymous users2024-02-13Chinese cabbage is harmful to snails, what should I do if I have dry heartburn? Can you share some suggestions?
Before planting, you can use lime powder to clean the soil layer, and in terms of daily management, you can isolate the lime powder and grass ash on the leaves, or choose the water that has just melted and deposited lime powder to treat the hazards of snails on cabbage, so you need to use multi-faceted control methods to quickly clean up snail nymphs, larvae and larvae. There are many specific methods, and the more common solution is spraying drugs, which is also a more immediate and effective method.
First of all, we must avoid the cabbage growing environment refers to the dark corner, which is easy to appear after continuous rainy days, or the plot where you grow Chinese cabbage is low-lying, which is easy to produce water storage conditions, so you want to change; The method of spraying is: in the vegetable ridge, rampant centralized spraying, each rampant interval of 5 7 meters, centralized stacking, horizontal disconnection can be, the dose does not need too much. Personal thoughts:
For tetraacetaldehyde tablets, it is not necessary to sprinkle all over the field and ridges, which not only consumes the drug, but also the actual effect is not very good.
Cabbage heartburn is caused by the external natural environment, such as heavy cropping, that is, do not grow Chinese cabbage on the ground all the time. For example, the weather is too dry, and the cabbage is not watered properly. Another example is that there are too many hydrochloric acid fertilizers in the field, which will cause heartburn in the cabbage stomach.
Effective nitrogen application, prevent excessive use of basal fertilizer, appropriately adjust the amount of phosphorus and potassium fertilizer, promote the balanced adsorption of various trace elements in cabbage, and improve disease prevention and immunity. Fertilize once at the rosette stage and the bulb stage.
Some places are called heart sickness, some places are called dry heart disease, and some places are called heartburn. Although it is given the word "disease", strictly speaking, the disease is not another disease, and it is not a pest or disease caused by the infection of real bacteria, but a physiological pest and disease. Roll it up inward in a spoon shape.
The growth and development of the diseased plant was not good, the leaf bulb was loose and false, and the leaf bulb was dissected, which showed that the edge of the middle leaf was yellow and withered, and the petiole was brown. Diseased leaves are produced in cardiology with the growth and development of vegetable plants. The leaf stems have dark brown streaks.
It is perishable during the cellar storage period, but has no peculiar smell.
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Anonymous users2024-02-12It is necessary to prepare some pesticides, and to grasp the concentration, otherwise it will make the Chinese cabbage dry heartburn, so considering the green environmental protection, you can use tea bran, there will be tea enzymes in it, which can be well eliminated.
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Anonymous users2024-02-11Field management should be done in time to remove the surrounding dead branches and weeds, and then regular watering is needed to ensure sufficient nutrient supply, and some water-soluble fertilizers with the correct ratio and concentration can be used.
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Anonymous users2024-02-10You can spray some pesticides, apply some fertilizers, control pests and diseases, and choose better varieties.
Chinese cabbage heartburn, also known as skin rot and scorched edge disease, mostly occurs from the rosette to the harvest period. At the rosette stage, the edges of the leaves are water-stained and light brown withered, and then gradually dry out and roll inward to form a spoon. The growth of the diseased plant is poor, the leaf bulb is loose and unreal, and the leaf bulb is cut, and the edge of the middle leaf becomes yellow and dry, and the leaf veins are yellow-brown. >>>More
After continuous precipitation, it is necessary to "drain" as soon as possible, and do not have water accumulation; At the beginning of the onset of the disease, it is necessary to pull out the cabbage with symptoms, and then use drugs for "spraying", it is recommended to use methyl butozine is the best; Before sowing, it is necessary to do a good job of cultivating the land, and prepare the nutrient ratio in the bottom fertilizer, and apply the bottom fertilizer. When fertilizing, you can not apply nitrogen fertilizer alone, and do a good job of drainage and irrigation in the field according to factors such as weather changes and soil conditions. Remove the diseased leaves in time and adjust the permeability of the field. >>>More
In the process of planting Chinese cabbage, it is easy to appear vegetable borer, vegetable borer is also called borer, its larvae mainly eat vegetable seedlings and cabbage hearts, and will spit silk weaving nets, and the emergence of vegetable borer insect pests will find that there are many wire nets at the cabbage heart, which will affect the growth of vegetable seedlings, and the whole vegetable seedlings will be eaten, and there will be headless seedlings or multi-headed seedlings, and finally wither yellow, resulting in reduced yield. >>>More
The nutrients in the soil are not well absorbed and utilized by crops. At this time, the cabbage leaves appear yellow due to the lack of fertilizer**. Therefore, in the dry and rainy weather, it is necessary to water in time to meet the needs of the normal growth of cabbage. >>>More
The characteristic is that the rhizome of Chinese cabbage, there are different degrees of spots on the leaves, and there are moldy substances, obviously soft, the way to reduce the harm is to use pesticides, and to water, strengthen the volatilization of medicinal properties, and then go to hoe and ventilate.