A group of scientists from Yaroslav the Wise Novgorod State University has developed an innovative system. It allows the use of tractor exhaust gases for soil treatment. This is possible directly during field work.
The system is based on a turbine that sucks exhaust gases from the tractor engine and mixes them with atmospheric air. This reduces the temperature of the gas mixture from approximately 250 to 80 degrees Celsius. The flow is then distributed through pipelines and fed through metal tips directly into the soil or into a seeder, where it is applied along with the seeds.
The design includes an adapter installed in front of the exhaust pipe, a metal hose for supplying gases to the turbine, distribution sleeves, and steel tips attached behind the seeder or potato planter openers.
According to the developers, the introduction of cooled exhaust gases stimulates the activity of soil microorganisms and nitrogen-fixing bacteria. This can improve crop germination, accelerate root system development, increase yields, and enhance plant resistance to drought. In addition, the technology promotes more efficient absorption of calcium and phosphorus, reduces the negative impact of soil salinization, and helps plants better resist pests.
The development was created with the principles of carbon farming in mind, which aims to reduce carbon emissions and retain it in the soil. The project authors propose using the exhaust gases already generated by agricultural machinery for this purpose, without performing additional technological operations.
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