Crop growth is influenced by various environmental factors. As a condition for effective plant growth, it is necessary that control of the habitat environment, such as soil moisture content, temperature, humidity, solar radiation amount, is adequately delivered. We focused the fact that soil moisture is important. It is desirable that moisture is uniformly distributed in the soil. In order to avoid physiological disorders caused by water related stress on agricultural crops, it is necessary to use soil with appropriate permeability. By calculating and estimating some characteristic amount related to water permeability, it is possible to identify soil with appropriate water permeability. In this research, we realize the visualization of the planar soil moisture volume by arranging the soil moisturemeter at multiple points. In addition to a system that realizes planar visualization of soil moisture, we propose a method for estimating soil permeability parameters in combination with computer simulation.
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