College of Agricultural Engineering, Tamil Nadu Agricultural University, Coimbatore, 641003.
Present address :1 College of Agricultural Engineering, Kumulur, Trichy, 621712.
A technique was developed to study the extent of soil mixing induced by a tillage tool. Potassium chloride (KCI) was used as the tracer and its concentration in the manipulated soil was determined by measuring the electrical conductivity. Computer routines systematically analysed the tracer concentrations of soil samples drawn from various depths and locations, and quantified the soil mixing. An experiment was conducted to study the influence of bend and rake angles of bent leg tools, soil compaction and operational speed on soil mixing. The bend angle and soil compaction were identified as the factors affecting the soil mixing performance of the tool.
Soil mixing, bent leg tool, chemical tracer
