岡山大学環境理工学部研究報告 ISSN 2187-6940
Published by Faculty of Environmental Science and Technology, Okayama University

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傾斜草地における表層土壌水分と土壌物理性の空間分布調査

Abstract
Spatial variability of surface soil moisture, bulk density, satureted hydraulic conductivity, and penetration resistance (cone index) in a sloping grassland field were surveyed. The typical results were as follows: (1) The surface soil moisture and the bulk density were normally distributed at a significant level of 0.05. (2) The surface soil moistures were higher at low area than in high and slope area. The coefficients of variation were larger at slope area. (3) The coefficients of variation for bulk density were larger at slope area than in low area. (4) The distribution of saturated hydraulic conductivity can be considered to be log-normally distributed. (5) The cone index showed the normal distribution.
Keywords
Spatial variability
Surface soil moisture
Bulk density
Saturated hydraulic conductivity
Cone index
ISSN
1341-9099
NCID
AN10529213