Relationships and Spatial Structure of Soil Physical Properties in a Ten-Year Corn-Cotton Rotation Field

Peter A. Y. Ampim, Alton B. Johnson and Samuel G. K. Adiku
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Peter A. Y. Ampim: Prairie View A&M University, USA
Alton B. Johnson: Central State University, USA
Samuel G. K. Adiku: University of Ghana, Ghana

International Journal of Applied Geospatial Research (IJAGR), 2021, vol. 12, issue 3, 34-46

Abstract: This study quantified the relationships between soil, textural, and hydraulic properties at the field-scale for a conventional tilled Memphis silt loam that had undergone a 10-year corn and cotton rotation and described their spatial variability. Composite soil samples collected from the plow layer at 272 nodes on 15 x 15 m grids were analyzed for texture and bulk density. These values were used as pedotransfer functions to predict unsaturated (Ko) and saturated hydraulic (Ks) conductivities as well as the van Genuchten curve shape parameters α and n. Regression analyses quantified relationships between the measured and model predicted soil properties. While correlations between textural and model predicted soil properties including bulk density were significant (p

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jagr00:v:12:y:2021:i:3:p:34-46

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