Precautions for corn thinning

The benefits of corn thinning

1. Corn thinning can avoid crowding and shading, which is conducive to plant growth and creates good conditions for the growth and development of individual plants.

2. Save the limited nutrients and water in the soil. Because of the limited content of available nutrients in the soil. Early thinning can concentrate the limited available nutrients in the soil to the retained individual plants.

3. Coordinate the growth of the aboveground and underground parts of the plant. It can coordinate the contradiction between the growth of the above-ground part of the plant and the growth of the underground part, so that the two promote each other, the root system of the underground part is strong and developed, and the above-ground part of the plant is strong and not lengthy.

4. Reduce root damage and seedling breakage during thinning. During thinning, the seedlings have short secondary roots and are easy to pull out without harming neighboring seedlings. Thinning too late, because the main roots of the seedlings are dense and long, it is not easy to pull out, and the seedlings are easily broken during thinning. At the same time, the neighboring seedlings will be pulled out together, which will affect the quality of fixed seedlings and bring difficulties and troubles to future management.

Corn thinning time

During the period of 3-4 true leaves of maize, seedlings are fixed on 6-7 true leaves on the basis of leaving 2 strong seedlings in each hole. The main benefits are: to reduce the damage to corn seedlings caused by corn rough dwarf disease, corn spiral heartworm and seedling pests, and increase the number of seedlings per unit area by more than 15%.

Corn thinning method

1. Seedling at the right time. Thinning is generally carried out in the 2-leaf and one-heart stage, and the setting of seedlings is generally carried out at the 3-4 leaf stage, because at this time the nutrients of the corn kernels have been basically consumed. If the seedlings are crowded, they will compete for fertilizer and water and will affect photosynthesis. Late setting of seedlings can easily lead to reduced yield.

2. Pay attention to weather conditions. Thinning and setting seedlings should be carried out on a sunny afternoon. Seedlings with diseases, insect bites and poor growth are prone to wilt after being exposed to the sun at noon, which is easy to identify and eliminate.

3. Decide whether to choose according to the seedling phase. Grasp the principle of "remove the weak and keep the strong, keep the space densely and keep the thin, keep even and keep the strong", select and keep strong seedlings with the same size, uniform plants, and flat and thick stems.

4. Ensure density. For places with missing holes and broken ridges, you can transplant with soil or leave two plants in adjacent holes (rows) to ensure density.

Precautions for corn thinning

Seedlings at the right time. Thinning is generally carried out in the 2-leaf and one-heart stage, and the setting of seedlings is generally carried out at the 3-4 leaf stage, because at this time the nutrients of the corn kernels have been basically consumed. If the seedlings are crowded, they will compete for fertilizer and water and will affect photosynthesis. Late setting of seedlings can easily lead to reduced yield.

Pay attention to the weather. Thinning and setting seedlings should be carried out on a sunny afternoon. Seedlings with diseases, insect bites and poor growth are prone to wilt after being exposed to the sun at noon, which is easy to identify and eliminate.

The choice should be made according to the seedling phase. Grasp the principle of "remove the weak and keep the strong, keep the space densely and keep the thin, keep even and keep the strong", select and keep strong seedlings with the same size, uniform plants, and flat and thick stems.

Ensure density. For places with missing holes and broken ridges, you can transplant with soil or leave two plants in adjacent holes (rows) to ensure density.

From this point of view, corn thinning can not only reduce labor intensity and promote the growth and development of corn, but it is also an effective agricultural consumption reduction, production promotion, and efficiency increase measure. Now is the best time for corn thinning. I hope that the farmers will proceed in time.

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