2020
DOI: 10.3173/air.29.24
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Evaluation of Soil Hardness in Paddy Fields by Cone Penetrometer as a Simple Soil Physical Diagnosis Method

Abstract: To enable quantitative soil physical diagnosis by cone penetrometer, this study investigated time-course changes in the three-dimensional (3D) distribution of soil hardness and quantified the effect of land leveling on soil compaction. The most important result is that the 3D distribution of soil hardness in the field can be mapped quickly. One person could survey 1 ha to 60 cm depth in 90 min. The method allows several fields to be screened in a short time. The results of cluster analyses based on the horizon… Show more

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Cited by 4 publications
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