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Friends who often farm should know that when they grow crops or fruits, there are three most troublesome things, that is, diseases, insects and weeds. These three things will reduce the fruits of the farmer's labor. In severe cases, they may even leave crops or fruit trees in the field with nothing.
It is easier to say about diseases and weeds, because now that science and technology are more developed, many diseases can be **. Now the seeds are getting better every year. Many plant seeds can prevent and ** some diseases.
Nowadays, there are many types of herbicides that can effectively inhibit the growth of weeds. However, pests have always been a problem for farmers, because there are many kinds of pests, so special methods are needed to effectively prevent pests from harming crops. Today, the author will introduce several commonly used pest control methods for old farmers.
Because the most common pests in the vegetable garden are snails and slugs, today I will mainly introduce the control methods of these two pests.
First of all, the first method is often used by many farmers. This method is to sprinkle some vegetable ash and lime in the garden. If you've ever seen a slug, you should know that it's a mollusk.
When it walks, everything depends on the peristalsis of the body. Therefore, if they sprinkle vegetable ash and quicklime, they will not be able to do anything. Because plant ash and quicklime are both alkaline substances, slugs are most afraid of this kind of thing.
They can quickly dehydrate the slug's surface, eventually leading to death.
The second way is to sprinkle salt in the vegetable garden or in places where pests are frequent. Salt is a common substance in our daily lives. Although eating it is good for a person's health, slugs get headaches when they encounter this substance.
Because salt water has a special chemical reaction with slugs and snails, which eventually forms a pool of water.
The third method is a bit peculiar. It is a vegetable that we often eat in our daily life. Its name is leek.
One might ask. Don't they eat vegetables? Why use vegetables to prevent insects?
In fact, vegetables contain some special chemicals, which can be made into specific chemicals after crushing vegetables, which can effectively prevent slugs and snails.
The final way is to use insects to get rid of insects. This method, while a bit disgusting, is very effective. Catch some live slugs first and mash them with vinegar to make an effective insecticide.
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The first method is often used by many farmers. This method is to sprinkle some vegetable ash and lime in the garden. The second way is to sprinkle salt in the vegetable garden or in places where pests are frequent.
The final way is to use insects to get rid of insects. This method, while a bit disgusting, is very effective. Catch some live slugs first and mash them with vinegar to make an effective insecticide.
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Sprinkle plant ash or chaff ash and a little lime around the vegetables to prevent snails from climbing on the vegetable stalks. 6% tetraacetaldehyde-thousand chopping can also effectively control snails.
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You can sprinkle some quicklime and plant ash in the vegetable garden, and you can also put some salt to prevent these insects.
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You can sprinkle some quicklime in the vegetable garden to prevent the pest snail, which is very effective.
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Snails on vegetable leaves should be sprayed with trichlorfon, permethrin or acitretin for control, or caught by hand.
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What if there are a lot of snails in the yard? In what way is it best to destroy them?
There are many methods of snail control, the following methods are more effective (1) sprinkling quicklime: this method is used in orchards, after 3 o'clock in the afternoon, you can sprinkle a circle of quicklime around each plant, snails will lose water and die when they come out to eat at night, but they should be re-sprinkled after rain. (2) Poison bait trapping:
This method uses field crops, generally after 4 o'clock in the afternoon, with 8% tetraacetaldehyde granules, about 500 grams per mu, for sprinkling, strip application or point application (the point application distance is appropriate to 40-50 cm) in the field ridge trapping, the effect is good. (3) Spray control: After 4 o'clock in the afternoon, you can use 300 times of 80% tetraacetaldehyde wettable powder, or 800 1000 times of 98% copper sulfate, and evenly spray all the stems and leaves of crops.
After 10 days, an additional application of the pesticide will make it easier for the snail to come into contact with the pesticide when it is active, and a more ideal control effect can be achieved. (4) tea seed powder root irrigation: this method is mostly used for flowers, fruit trees and other crops with relatively few plants, generally in the early stage of snail occurrence, first use water to soak tea seed powder for 1 2 days, and then dilute the tea seed water 60 times, carry out root irrigation, the method has a long effective period, good effect, but more labor-intensive.
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Grass ash, quicklime: the slug itself contains very high moisture, is a very afraid of dry environment, for this kind of slug without shell protection, it is still relatively easy, use plant ash or quicklime, sprinkled in the vegetable field, this dry alkaline substance, can eliminate the slug, can make the slug dehydrated and die.
Salt: Slug is also very afraid of salt, salt can also turn slugs into juice, you can use concentrated salt water, for slug-infested places for a comprehensive spray, spray on the slug, or slugs crawl over the place where the salt water has been sprayed, will make the slugs dehydrated and die, this method has little effect on the snail with the shell, but as a mollusk, the snail climbs on the plant with salt, it will also cause the loss of the snail.
Leek: That's right, it's our delicious ingredient leek, take 2 catties of fresh leeks, chop and mash them to filter out the vegetable residue, use the juice of leeks with a pound of water to make solvent, and spray the vegetable field, this soil method also has a good elimination effect on the prevention and control of slugs and snails. It is easy to take the material, and the operation is not relatively simple.
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Use plant ash or quicklime, sprinkle in the vegetable field, you can get rid of slugs, there is a special drug for the control of slugs and snails, spraying it works, and generally old farmers will use the raised chickens and ducks to eat these pests.
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Snails and slugs are used as mollusks to eat vegetables and shoots, which are quite harmful to crops and vegetables. There are some ways to prevent this:1
Sprinkle with plant ash and quicklime. It can cause slugs to die of dehydration. 2.
Spray concentrated salt water throughout slug-infested areas. 3.The juice of the mashed leeks is mixed with a pound of water to make a solvent and spray the vegetable field.
4.Treat insects with insects. After catching some slugs by hand, mash them into mud, with a little vinegar, add some water to spray the slugs' favorite places, and this annoying slug will not appear for several months.
5.Spraying the drug . Tetraacetaldehyde is a drug specifically used to control slugs and snails.
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The slug itself contains very high moisture, is a very afraid of dry environment, for this kind of slug without shell protection, it is still relatively easy, use plant ash or quicklime, sprinkle in the vegetable field, this dry alkaline substance, can eliminate the slug, can make the slug dehydrated and die.
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The snails and slugs in the vegetable field are more harmful to the vegetables, but the old farmers can kill them in a very simple way: 1. Mix salt and plant ash with water and spray them on the vegetables; 2. Sprinkle the sieved dry fine lime powder around the vegetable pit or on the noodles between the vegetable rows; 3. Spray rice vinegar with water on vegetables; 4. When cleaning and deep ploughing the field, sprinkle lime powder, plant ash, etc., to kill the overwintering adults and eggs in the humus.
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1. Sluggs are afraid of light and will die in 2-3 hours under strong light, but they can be irradiated by strong light when they are active at night.
2. In autumn, the fields should be cleaned up and plowed in time, and lime powder, plant ash, etc., should be thrown to kill the overwintering adults and eggs in the humus.
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1. Agricultural prevention and control, snails often hide in dark places such as grass during the day, and come out at night to harm, clean up the weeds in and around the vegetable garden in time, so that snails lose their habitat and have an adverse impact on the reproduction of snails. 2, pesticide control, at present to kill snails, the more commonly used granules are, tetraacetaldehyde granules, the appearance of blue particles, is also one of the best pesticides for the prevention and control of snails, the general content of 6% tetraacetaldehyde granules, in the early stage of snail occurrence, the whole vegetable garden can be sprinkled, can also be sprinkled around the cabbage.
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The soil must be very fertile, the pH should be appropriate, the temperature should be suitable, there should be a certain amount of heat, more watering, more fertilization, timely insect control, insecticides, so as to prevent snails.
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If conditions permit, it is recommended to try spraying with salt water when the Chinese cabbage grows, or spraying it with some fine salt in the evening, which can effectively avoid snails.
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Snails belong to mollusks, according to relevant data, snails are very common gastropod mollusks on land, and they are also a kind of Chinese medicinal materials in China. Snails prefer to be diurnal and nocturnal, hiding in dark, damp shades during the day, afraid of direct sunlight. Loose soils and rich organic matter are one of the most common pests in vegetable gardens.
Because snails do not belong to insects, general pesticides are ineffective against snails, so there are many farmer friends, snail harm on the cabbage planted, thinking that spraying some insecticides is good, you can kill the snail medicine, the result can be imagined, it is useless effort. Snails are more sensitive to the external natural environment, and when frightened, they will curl up their soft gastropods into their shells, thereby avoiding damage from medicines, nemesis, etc.
The snail has the ability to gnaw and suck the veins on the cabbage leaves, and the green leaves will cause wounds to the cabbage, which creates a better way for pathogenic bacteria to invade the cabbage body. Especially in the season when there is a lot of precipitation, the humid gas standard meets the snail like a humid environment, which year has a lot of precipitation, which year the snail harm is relatively more serious. In order to avoid the serious harm of cabbage from snails, solve the snails in the cabbage field, carry out key prevention, and manipulate the large production of snails.
Snails often hide in dark places such as grass during the day, and go out at night to harm, and immediately remove weeds in and around the vegetable garden, so that the snails lose their habitat and cause a bad direct impact on the reproductive system of the snails. Dry the soil so that the moisture content of the soil does not have to be too high, which can inhibit the production of snails to a certain extent.
Sprinkle hay ash or quicklime powder, the surface of the snail's gastropod is wet, if the dry grass ash and quicklime powder are sprinkled on it, after the snail crawls over, the gastropod is stained with quicklime powder, or dry grass ash, causing the snail to dry and die, after finding the snail harm, sprinkle a 5 cm wide fence around the cabbage at dusk, and the snail will kill it after going out over the fence.
At present, to kill snails, the more common granules are, tetraacetaldehyde granules, the appearance shows dark blue particles, which is one of the good agents for the prevention and control of snails at present, and the general content is 6% tetraacetaldehyde granules, in the early stage of snail production, all the vegetable gardens can be sprinkled, and a circle can also be sprinkled around the cabbage.
Because tetraacetaldehyde granules have a fragrance, so snails love to eat, even if it rains a little, high-quality tetraacetaldehyde granules, resistant to water immersion, can lengthen the prevention effect, and does not pollute cabbage. There is also a content of 80% tetraacetaldehyde wettable powder, which is used for spraying, although it has an effect, I personally think that tetraacetaldehyde wettable powder is not as convenient as granules.
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It can also be used for physical control of snails and slugs, sprinkle some quicklime around the vegetables or around the land, block the necessary roads for snails and slugs to get to vegetables, slug and snails will die of lack of water after contact with quicklime, and white sugar and salt will have the same effect.
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They can be killed by spraying pesticides or insect repellents; Sprinkle quicklime or plant ash in the vegetable patch, or spread silver reflective film, or spray pepper water is the most effective.
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These creatures mainly appear in the field after the rain, they are very afraid of garlic water, if there are snails and slugs, you can put some garlic water in the ground, because garlic has the effect of sterilization and insect control, and this water will not cause too much danger to the plants in the ground, so it is a very effective way.
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Some pesticides can be used for treatment. The best way to do this is to fertilize and sprinkle pesticides, which not only kill these pests, but also help the soil better.
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When I was a child in the countryside, I often picked up snails in the farmland, at that time snails were edible like the current snails, generally we picked them up and rinsed them and fried them to eat, until now there are still a lot of snails in the field, as for the slugs are a kind of harm to crops very big geese, when I saw this kind of slugs when I was a child, I didn't dare to touch them with my hands, so today I will talk about what kind of traditional methods are used to kill the snails and slugs in these vegetable fields in my hometown.
First of all, we must know what are the hazards of snails and slugs to crops, "I think we all know that we often see snails crawling around on the leaves in our vegetable garden, especially in summer, these snails crawl on the back of the leaves, and when they crawl, they will leave white things on the leaves, so these secreted objects will cause the leaves to rot and become transparent after drying, everyone should have seen this phenomenon, Therefore, the occurrence of this situation greatly affects the quality and appearance of vegetables.
As for the insects, they are also the same as the snail, but the slug is not like the shell of the snail, but the bite of this insect is much larger than that of the snail and its crawling speed is also very slow.
How to kill snails and slugs in the vegetable field"In fact, it is very simple to kill these insects, because when I was a child, I often saw the older generation mix the two with salt water, and also use grass and wood ash water to mix the two together and pour them into spray cans, and then wait until the sun sets in the afternoon when these snails and slugs will come out to move, but now in October, after the temperature drops, they are generally active at noon.
Therefore, we spray the back and front of the leaves at noon, so that the slugs and snails will not move again when they encounter salt water mixed with grass and wood gray water, because both insects are afraid of alkalinity and salt, this method is very effective for our older generation.
To sum up: all in all, the use of the traditional methods I just talked about can not only kill snails and slugs, but also ensure that the vegetables we eat are green, natural and pollution-free, which is really a good way to be fast, simple and convenient.
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