Binary Sowing: Benefits and Tips

Today, agricultural producers in any region strive to use arable land efficiently, reducing expenses on plant protection products, mineral fertilizers, and accumulating organic matter in the soil. Binary sowing or multi-component sowing yields good results with various agricultural cultivation technologies and is one of the solutions to this issue.

Binary sowing is a technology for growing two or more agricultural crops simultaneously on the same area.

With binary sowing, the soil is better covered and shaded, preventing overheating during hot summers, which means beneficial soil organisms can function more effectively.

To preserve soil fertility, it is advisable to grow mixed agrocenoses of legumes and cereals, forming a dense cenosis whose productivity remains stable over the years and can exceed the yield of components in monoculture. The highest plant productivity in mixed sowings can be achieved with an adequate leaf surface area, optimal development, and efficient use of mineral nutrition elements. The most significant factor uniting the cenosis is the interaction and competition among plants and environmental conditions, particularly their competitive relationships for survival when grown together in a limited area with restricted resources.

The technology of growing multiple crops together helps increase yields and more efficient resource utilization.

The main advantages of the multiple-crop cultivation technology are:

1. Increased profit. Secondary agricultural crops provide income even if the main crop does not yield the expected harvest.
2. Efficient land use. In monoculture farming, the space between rows is empty, while intercropping allows this space to be utilized.
3. Protection of the main agricultural crop. Companion planting helps combat pests, attract beneficial insects, and shield primary plants from wind and direct sunlight. In integrated pest management, joint cultivation reduces the need for chemicals, lowering financial costs.
4. Prevention of soil erosion and crust formation. Barrier plants protect both the primary agricultural crop and the soil cover from the destructive effects of rainfall and wind.
5. Nutrient provision for main crops, such as through the additional cultivation of nitrogen-fixing plants.
6. Reduced fertilizer application, as companion crops enhance soil fertility.
7. Efficient use of natural resources. Water and sunlight are evenly distributed between primary and additional crops.
8. Weed control optimization. Beneficial plants occupy the space between rows of the main crop, preventing weeds from taking over.
9. Increased biodiversity and ecological stability. The use of multiple agricultural crops is beneficial for ecosystem balance.

While there are many advantages, those new to binary sowing should remember key principles when selecting crops and varieties for their region. Sowing should be done in prepared, weed-free soil. Otherwise, selecting herbicides suitable for both crops may be challenging. Additionally, be prepared for gradual positive results and initially test the chosen crop pair on small plots.

This question is answered by Ph.D., Associate Professor of the Department of Optimization of Technological Systems at GBU, mr. Pakhuchiy.