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- W2000122308 abstract "A stand-alone electro-mechanical system with a 32-inch disc coulter was developed andtested to identify soil compaction in a 1-acre field located at the University of Kentucky AnimalResearch Center (UKARC). The system was evaluated by making four passes in the square gridcell. With the aid of hydraulic actuation, the coulter oscillated between depths of 100mm (4-in) and330mm (13-in) as it moved forward and recorded the vertical impedance force given by the soilcontinuously. Forty standard soil cone penetrometer measurements along the diagonals to a depth of400mm (16-in) were taken and the average cone indices (MPa) at different depths for the entire gridcell were compared to the average coulter indices (CuI(N/mm), defined as the penetration forcedivided by the perimeter of the coulter disc in contact with soil) at corresponding depths. Ten soil bulkdensity measurements were taken at depths of (100,150,200,250,300mm) per each grid cell andaveraged. Pearson correlation coefficient (r) and coefficient of determination (r2) were found to be0.716 and 0.51between CuI and CI respectively. The depth and spatial locations of maximum verticalimpedance force and maximum CuI were determined." @default.
- W2000122308 created "2016-06-24" @default.
- W2000122308 creator A5022679860 @default.
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- W2000122308 date "2006-01-01" @default.
- W2000122308 modified "2023-09-24" @default.
- W2000122308 title "Development of an Electro-Mechanical System to Identify & Map Adverse Soil Compaction Using GIS & GP" @default.
- W2000122308 doi "https://doi.org/10.13031/2013.21456" @default.
- W2000122308 hasPublicationYear "2006" @default.
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