Corn herbicide: what is it, types of preparations and application

Corn herbicide solves weed problem. As the crop grows, it needs weeding. On a small plot, it is easy to deal with them, which cannot be said about large-scale plantations. A large number of weeds between the beds makes mechanical weeding difficult, and the growth and development of the crop slows down. Herbicides are effective in this matter, if chosen correctly and the person knows how to use them.

What is this?

Herbicides are chemicals used to kill unwanted plants on land.Preparations, which include herbicides, help to remove weeds in a short period of time. Based on the type of influence, they are divided into preparations of continuous and selective exposure. The latter are more often used to protect crops from weeds. They are chosen for the cultivation of corn.

Read more about classification

Practically all kinds of weeds are annual grasses. Reproduction occurs with the help of seeds and they live only a season. Perennial weeds are equipped with a developed root system that goes deep into the soil. This advantage allows the plant to develop from a piece of root, which is often left after poor-quality weeding.

With the help of herbicides, a person can get rid of a certain type of weeds or all at once.

Chemical reagents, depending on the breadth of the spectrum of action, can be divided into:

• drugs of selective action;
• preparations of continuous action.

Herbicides for corn of the last type destroy all weed vegetation without exception on the cultivated area. This allows them to be used for the complete cleansing of the beds, in the place of which there will be a lawn in the future. Reagents with higher concentrations are more suitable for work on construction or industrial sites, at airports and on roads.

If it is not possible to get rid of malicious weeds, this type of herbicide is also chosen.

Preparations with a selective type of action are chosen for the destruction of harmful vegetation in areas that are intended for the growth of certain crops. However, they do not harm themselves. These can be fields with cereals, tomatoes, potatoes, corn or sunflowers.Processing is carried out before or after the shoots of the culture. Regardless of the time of spraying, carefully study the instructions for the drug.

Feature of the reagents used

As shown by many years of practice, not all herbicides are suitable for processing corn. This culture is highly sensitive to individual chemical components. Different varieties react differently to the same substance. To this end, scientists have developed lines of drugs that do not harm corn and at the same time destroy weeds.

Corn tolerates acetochlor, clopyralide, amine s alt and sulfonylurea well:

1. Soil preparations such as acetochlor are able to destroy weeds in the top layer of the earth even before shoots appear on the surface. Continues to operate for 2 months. Protects against annual and biennial weeds.
2. Clopyralid acts on weeds when the smallest sprouts appear.
3. Aminic s alt is used exclusively for wet soil. In dry weather, there is a chance of burning corn leaves.
4. Sulfonylurea is the selective substance for systemic action. The result shows in the fight against weeds.

These components are used for processing corn beds. Do no harm to the culture itself. The earth remains clean for 6-8 weeks. Included in preparations for treatment.

Choice of drug

Herbicides that act on corn are divided into post-emergence and soil. The main advantage that unites all species is weed control. Moreover, they affect both annual and perennial plants. Each individual drug has its own limitations.Before buying a product, you need to consult with experienced agronomists so that the effect is maximum and the harm is minimal.

Popular drugs

The market offers customers a wide range of products for processing corn. Popular among them:

1. Dublon Gold is one of the most highly effective herbicides. Continues to work for months.
2. "Titus" is a systemic drug with a selective type of action. It works quickly, the result is noticeable already 4-5 days after treatment.
3. "Aztec" substance for the soil, selective type of action. Kills weeds before sprouts appear. Protects culture for 2 months. The only working condition is moist soil.
4. "Miranda" - herbicide, intended for "insurance". Used to prepare the land before sowing crops. Affects weed grass with the appearance of 3 leaves. It has a low level of danger to humans and animals.
5. "Trimmer" is a drug of systemic action. Release form - granules. Diluted with water before use.
6. "Quasar" destroys weeds only after the emergence of seedlings above the soil. Suitable for the destruction of all kinds of unwanted plants. The effect is noticeable after the first application and lasts for a long time.

In more "difficult" cases, it is recommended to use other herbicides:

1. Perennial weeds respond well to herbicides such as Turbin, Korrsan, Basis and Leony.
2. Perennial plantings have a developed root system and are difficult to get rid of. Stellar will help with this.
3. Medicines for the destruction of dicotyledonous weeds - Serto Plus, Dikopur, Callisto and Diamax.
4. Thistle and similar weeds are completely eradicated with the help of Lontrel 300, Argon and Defender.

Each type of herbicide applied to corn has a different exposure time. Some destroy herbs within a day, others will need from a week to a month. Such nuances depend on the composition of the drug. When choosing a herbicide, this must be taken into account.

How to use reagents?

The method of influencing weeds and the period for each drug is different. Therefore, you need to know how to use them correctly. To achieve maximum effect, adhere to the following rules:

1. Reagents are used before planting the crop, immediately after sowing and during the growth period. It is forbidden to treat corn with herbicides at the time of formation or ripening of cobs.
2. Tillage is given a lot of attention. Large clods of earth contain weed roots and seeds. If this is overlooked, even after spraying, they will survive and germinate in the near future. Do not forget about periodic and high-quality loosening.
3. Treatment of corn with herbicides of continuous action is carried out after harvesting the land from crop residues. The substance should not interfere with anything to penetrate the soil.
4. Adhere to the guidelines for use that the manufacturer indicates on the packaging.
5. At the time of processing pay attention to the weather. Wind or precipitation nullifies human efforts.

Corn is a cereal that has great benefits for humans. It is applied in industrial areas, is used in food and is a fodder for animals. A farmer or owner of a large farm must definitely protect the corn from weeds. This will not only clear the lands that are capable of fruiting, but will also allow you to collect large crops, positively affecting them.

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