Abstract
Soil compaction management relies on costly annual deep tillage. Variable-depth tillage or site-specific tillage modifies the physical properties of the soil at the required zones for the growth of crops. In this study, a depth control system was designed for the subsoiler of the tillage at various depths. For this purpose, an algorithm was written to investigate the subsoiler location and soil compaction. A program was also developed to implement this algorithm using Kinco Builder Software to control the subsoiler depth, which was evaluated on the experimental platform. In this study, four compression sensors were used at a distance of 10 cm up to a depth of 40 cm on the blade mounted at the front of the tractor. The data of these sensors were used as the input and compared with the pressure baseline limit (2.07 MPa), and with the priority to select the greater depth, the depth of subsoiler was determined. At all three modes of sensor activation (single, collective, and combined), this system was able to operate the hydraulic system of the tractor and place the subsoiler at the desired depth through the use of the position sensors.
Highlights
The physical features of the soil can dramatically influence crop yield
An algorithm was developed to detect the depth of the hardpan layer
Based on on the the results results related related to to the the first first mode mode (separate, it can be seen that the time when the hydraulic jack moved to the desired pression sensors), it can be seen that the time when the hydraulic jack moved to the deposition was jack) less than sired position
Summary
The primary responsibility of the soil in plant growth is the mechanical maintenance of the plant while supplying nutrition, water, heat, and air. These tasks are dependent on the soil structure [1]. Trafficking, especially at a soil moisture range of 14–17%, can enhance the apparent specific mass of the soil [2,3]. To eliminate this hardpan layer, deep tillage is often used. Soil compaction management is often achieved by costly annual tillage
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