What are the key points of applying the alternate planting technique for corn rows of varying widths?

Category： Industry News

Release time：2021-01-22

　　I. Overview of Alternate Planting Technology for Corn with Wide and Narrow Rows

　　Alternating wide and narrow rows is a new and efficient corn planting technology. There are some differences between the wide-row planting method and traditional corn planting and land preparation methods. Traditional corn planting involves uniform ridges, planting seedlings halfway, and shallow tillage. This technology involves leveling the land, planting in alternating wide and narrow rows, single-seed planting, deep tillage, and high stubble. Deep tillage and fertilization are usually carried out during the widening process at the corn jointing stage. Stubble is left in the autumn harvest period. The height of the stubble is usually about 39cm and should be rotated using a rotary tiller. It rots in the soil, turning into a wide row through the fine lines of rotary tillage. The following year, corn can be planted directly in the wide rows, forming new production capacity. This repeated operation is the alternating row planting technique.

　　II. Advantages of Alternate Planting Technology for Corn with Wide and Narrow Rows

　　1. Ensuring Soil Temperature and Humidity

　　When using the alternating wide and narrow row planting technology, to ensure the soil has adequate moisture, a plastic film should be covered on the soil to prevent soil moisture loss through contact with the atmosphere. In addition, the covering film also prevents the soil temperature from continuing to rise after sun exposure, allowing the evaporated water to condense on the surface of the covering and then return to the soil in the form of water droplets, providing sufficient moisture for corn growth.

　　2. Achieving Rational Land Use

　　Generally, before using the alternating wide and narrow row planting technology for corn, the planting area needs to be divided into narrow-row planting areas and wide-row non-planting areas. Then, the planting method is divided according to the land conditions of the corn. Sufficient planting time is provided for the non-planting area, laying the foundation for corn planting next year. Therefore, when using the alternating narrow-row planting technology, both the land division and the corn planting issues must be considered to achieve land recycling.