Liquid ammonia from onion flies helps to cope with the pest, prevent infection of the culture, and also helps to accelerate the growth of greenery, the formation of the root system. Application requires compliance with certain rules. Excessive use of ammonia can destroy onions, worsen the composition of the soil, so ammonia should be alternated with other ways to get rid of onion flies.
The action of ammonia from onion flies
The insect is small in size, highly fertile. Signs of a pest attack:
- stopping or slowing the growth of the green part of the onion;
- yellow feathers on feathers;
- greens fall to the ground;
- no root crop is formed.
At the first signs of a vegetable lesion, measures must be taken. Ammonia can save onions from an onion fly, it is ammonia, it is sold in any pharmacy. The product has an extremely pungent odor that repels insects.
On a note!
Ammonia is one of the most effective folk remedies for harmful insects in the garden. Apply it not only against onion, but also against carrot fly. It is also used as fertilizer. Ammonia is nitrogen, with a deficiency of which the vegetable ceases to grow, develop, turns yellow, more, dies. Ammonia strengthens the onion, stimulates the growth of the green part, the formation of the bulb. Makes the culture resistant to disease, pest attack.
Application features
Fight with an onion fly in the garden is recommended by irrigation. The procedure should be carried out early in the morning or in the evening. After treating the soil with ammonia, pour plenty of cold water into the garden. This contributes to the deep penetration of ammonia, which increases the effectiveness of the method.
Important!
It is necessary to prepare a solution based on the proposed norm. An insufficient amount of the drug will lead to the inefficiency of the method, an excessive amount of ammonia violates the root system of the bulb, which threatens the disease, the death of the culture.
To avoid trouble, get rid of onion flies, get a good harvest, you need to know how to water onions with ammonia. The concentrated solution must not be allowed to fall on the feathers, should not be poured directly under the bulb. Need to cultivate the soil between the rows.
An attack of an onion fly is observed in June-July. At this time, you should water the beds every 2 weeks, not more often. If there is no pest, it is worth processing the onion for prophylaxis once a month.
On a note!
To accelerate the growth of the green part of the culture, strengthen the root system, and also prevent the onion fly attack, it is recommended to water the garden in the spring, when the arrows begin to break through. If the culture was infected, in the autumn they carefully pick onions, dig the soil, pour over a solution of ammonia.
Solution preparation
The proportions of ammonia for processing beds with onions in different sources differ. In most cases, the norm is indicated - 3 tbsp. tablespoons of ammonia per 10 liters of cool water or 60 ml of ammonia in the same amount of water. Folk remedies with the use of a pharmacy drug provide for sharing with other effective ingredients.
- To get rid of the pest, to strengthen the culture, 60 ml of ammonia alcohol are diluted in 10 l of cold water. Watered under the root.
- Watering the onion with salt and ammonia eliminates the pathogens that accumulate in the soil due to the life of harmful insects. 5 ml of ammonia, 5 tbsp. Are added to 10 liters of water. tablespoons of salt.
- Ammonia and iodine increase soil fertility, make onions resistant to pests, and help deal with damage. The tool is prepared immediately before watering. In 10 l of water add 20 ml of ammonia, 5 ml of boric acid, 3 drops of iodine.
Important!
Ammonia erodes very quickly, the effect lasts no more than a day. However, repeated use of the drug is allowed only after 2 weeks. In this case, it is recommended to combine several folk remedies to combat the onion fly. With proper use of ammonia, insects disappear after the first treatment.
Efficiency
With the onset of hot summer days, many gardeners think about how to treat onions from flies and other pests. Ammonia is one of the most commonly used agents. According to reviews, the action can be seen in a few days.
I have been cultivating onions for many years, I always get an excellent harvest. I pour a solution of ammonia from a spray directly onto the feathers. For 1 liter of water it takes me 1 teaspoon of ammonia. The first time I spray, when the feathers grow by 10 cm. Then after a week and again after about 10 days. I don’t feed anything, I don’t process it. There is no onion fly, the vegetable grows wonderful.
Catherine, Moscow
In order for the onion fly to disappear, 1 glass of salt, 10 ml of ammonia must be diluted in 10 liters of water. It is better to water in the evening. It is not necessary to save the culture for a long time. Pests disappear literally the next day, no longer to be seen. The beds are beautiful, green, the crop is rich. Applied the method of struggle several times.
Andrey, Voronezh
Last year, an onion fly started and fought with it for almost a month. Ammonia repels odor, but quickly erodes, it is often impossible to apply. From once did not help. Treated with ammonia, then after 2 days with salt. Between the rows cowered tobacco powder. After 14 days again, ammonia solution, salt. I had to get rid of it for a long time, but I achieved victory.
Igor, St. Petersburg
To prevent the appearance of onion flies, it is recommended to plant carrots, marigolds, marigold nearby. Each time form beds in different parts of the garden. Use ammonia strictly according to the instructions.