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1	Soil Electrical Conductivity for Management BAE 599 by T.G. Mueller Dep. of Agronomy University of Kentucky
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3	Soil electrical conductivity map variability in limestone soils overlain by loess. T.G. Mueller,* N.J. Hartsock, T.S. Stombaugh, S.A. Shearer, P.L. Cornelius, and R.I. Barnhisel Agronomy Journal, 2003, IN PRESS
4	Soil Electrical Conductivity
5	Soil Electrical Conductivity
6	EC map variability Measurement error Variation in bulk soil EC Variation associated with mapping procedures
7	Measurement Error
8	Measurement Error
9	Variation in Bulk Soil EC
10	Variation in Bulk Soil EC
11	Variation in Bulk Soil EC
12	Variation in Bulk Soil EC
13	Variation in Bulk Soil EC
14	Variation associated with mapping procedures
15	Yield-EC relationships To assess the relationship between EC and Yield for Kentucky soils.
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23	Conclusions Boundary line relationship appear real. Strength varies substantially by year, crop, and location/soils. The quantity (yield potential – yield observed) appears to relates to factors other than soil type and fertility for the Shelby field. Management. Physical Properties Slope
24	EC-Soil Survey
25	EC
26	EC-Nitrogen Response Objective To develop predictions for crop response to Nitrogen, Seeding Rate, P, K, Lime to various inputs across agricultural fields.
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39	Other Spatial Rate Studies Seeding Rate P K Lime Corn, Beans, Wheat