Corn planting method steps

Planting corn, the following methods can be taken:

1. Reasonable dense planting

The suitable density of high oil corn is 4000 to 4500 plants per mu. In order to reduce the number of empty poles and improve group uniformity, the number of seedlings should be about twice the appropriate planting density; 4 to 5 leaf stage, the number of seedlings should be 1.3 to 1.5 times the appropriate planting density; the upper limit of the appropriate planting density should be used planting density. The spitting period can be combined with auxiliary pollination for weak plants, which can eliminate empty stalks and ensure uniformity of the population.

2. Scientific fertilization

In order to promote plant growth and increase seed weight and oil content, nitrogen, phosphorus and potassium fertilizer should be added. In general, 1000-2000 kg of organic fertilizer per mu, 8 kg of phosphorus pentoxide, 8-10 kg of nitrogen, 1-2 kg of zinc sulfate, 2-3 grams of nitrogen fertilizer in the seedling stage, 5-7 days after pulling. Apply 10-12 kg of nitrogen fertilizer.

3. Chemical regulation

Tall oil corn plants are usually 2.5 to 2.8 meters tall. Controlling high resistance is one of the key measures for high yield of high oil corn. Typically, corn can be sprayed with 30 milliliters of corn per acre during a major flare, or a new growth regulator, Vitalin, can be sprayed per acre during a major flare.

4. Timely treatment of pests and diseases

High-oil corn is highly resistant to big blotch, but corn borer has a high incidence. This control method can be used in the period of big bell mouth, mites 3-5kg, chlorpyrifos 3kg, furadan granules 2kg. in the high incidence area, in the spitting period can be applied again to the pistil, can effectively reduce the loss of shoots, to ensure a high yield and harvest.

Extended information

Planting corn notes

1. Suitable sowing, reasonable dense planting

Sowing should be carried out according to the local climate. Shangcai County planting area has a sharp drop in temperature and serious rainforest pests. The main purpose of planting is to regulate the temperature to ensure that corn can be in the heavy rain. The prerequisite is early maturity and timely avoidance of environmental factors for late growth. Corn planting distance is best suited to 35-40cm per plant, which gives the corn seeds enough room to grow and the water and nutrients needed for growth.

2. Reasonable irrigation

After sowing, keep it moist to ensure the emergence of seedlings. After the emergence of seedlings, the top soil should be kept moist, especially during the critical period of tasseling or water demand. If there is a lack of water or a lack of water difficulties, pollen is less and less vigorous. Therefore, sufficient water should be provided in time to ensure that corn has the water it needs for proper growth. Corn seedlings are drought tolerant. During this period, we should not give it too much water, which is not good for their growth. The rainfall in Henan Province is quite suitable. Generally speaking, it is not necessary to water the corn seedlings during the normal rainy season, but if it is during the summer, it may be necessary to strengthen the management of the corn field because in the summer. Henan Province has a lot of heavy rainfall. If you don't pay much attention to this situation, flooding can occur. Therefore, growers should always pay attention to weather changes and take necessary measures to deal with rainy weather.