Influence of Biopreparations on Soil and Crop Residue Properties, Traction Force of Machines in Shallow Tillage

Solving traction force and energy consumption problem in crop production, the use of strategically selected bioproducts can change the physical properties of the soil and influence changes in the traction force during tillage technological operations. The aim of this work was to investigate the influence of different biopreparations on the physical properties of the soil, winter wheat residues and the machine traction force during shallow tillage. In spring, after the resumption of winter wheat vegetation, seven different biopreparations and their mixtures were used. In autumn, after the harvest, studies of plant residues and soil porosity and density were performed prior to shallow tillage. The traction force of the tractor when working the soil shallowly was determined at 3 driving velocities-8, 10 and 12 km h(-1). Research has shown a positive effect of biopreparations on the total porosity, density, and traction force of the machine. However, biopreparations did not significantly affect the cutting force of winter wheat residues. Biopreparations can reduce the traction force in shallow tillage due positive changes soil properties.