Preface ...................................................... xiii
Editors ........................................................ xv
Contributors ................................................. xvii
List of Important Agricultural and Geophysical Quantities ..... xxi
SECTION I Agricultural Geophysics Overview
Chapter 1 General Considerations for Geophysical Methods
Applied to Agriculture ............................... 3
Barry J. Allred, M. Reza Ehsani, and Jeffrey
J. Daniels
Chapter 2 Past, Present, and Future Trends of Soil Electrical
Conductivity Measurement Using Geophysical
Methods ............................................. 17
Dennis L. Corwin
Chapter 3 History of Ground-Penetrating Radar Applications
in Agriculture ...................................... 45
M.E. Collins
SECTION II Agricultural Geophysics Measurements and Methods
Chapter 4 Theoretical Insight on the Measurement of Soil
Electrical Conductivity ............................. 59
Dennis L. Corwin, Scott M. Lesch, and Hamid
J. Farahani
Chapter 5 Resistivity Methods ................................. 85
Barry J. Allred, Douglas Groom, M. Reza Ehsani,
and Jeffrey J. Daniels
Chapter 6 Electromagnetic Induction Methods .................. 109
Jeffrey J. Daniels, Mark Vendl, M. Reza Ehsani,
and Barry J. Allred
Chapter 7 Ground-Penetrating Radar Methods (GPR) ............. 129
Jeffrey Daniels, M. Reza Ehsani, and Barry
J. Allred
Chapter 8 Magnetometry, Self-Potential, and Seismic:
Additional Geophysical Methods Having
Potentially Significant Future Use in
Agriculture ........ ............................... 147
Barry J. Allred, Michael Rogers, M. Reza Ehsani,
and Jeffrey J. Daniels
SECTION III The Global Positioning System and Geographic
Information Systems
Chapter 9 Integration of the Global Positioning System
(GPS) into Agricultural Geophysics ................. 165
Dorota A. Grejner-Brzezinska
Chapter 10 Integration of Geographic Information Systems
(GISs) with Agricultural Geophysics ................ 199
Carolyn J. Merry
SECTION IV Resistivity and Electromagnetic Induction Case
Histories
Chapter 11 Apparent Electrical Conductivity for
Delineating Spatial Variability in Soil
Properties ......................................... 211
Brian J. Wienhold and John W. Doran
Chapter 12 Dependence of Soil Apparent Electrical
Conductivity (ECa) upon Soil Texture and Ignition
Loss at Various Depths in Two Morainic Loam Soils
in Southeast Norway ................................ 217
Audun Korsaeth
Chapter 13 Relations between a Commercial Soil Survey Map
Based on Soil Apparent Electrical Conductivity
(ECa) and Measured Soil Properties on a Morainic
Soil in Southeast Norway ........................... 225
Audun Korsaeth, Hugh Riley, Sigrun H. Kværnø,
and Live S. Vestgarden
Chapter 14 Mapping Pesticide Partition Coefficients By
Electromagnetic Induction .......................... 233
Dan B. Jaynes
Chapter 15 Can Apparent Soil Electrical Conductivity Be
Used to Map Soil-Herbicide Partition
Coefficients? A Case Study in Three Colorado
Fields ............................................. 241
Dale L. Shaner, Hamid J. Farahani, Gerald W.
Buchleiter, and Mary K. Brodahl
Chapter 16 Delineating Site-Specific Management Units Using
Geospatial ECa Measurements ........................ 247
Dennis L. Corwin, Scott M. Lesch, Peter
J. Shouse, Richard Soppe, and James E. Ayars
Chapter 17 Mapping of Soil Drainage Classes Using
Topographical Data and Soil Electrical
Conductivity ....................................... 255
A.N. Kravchenko
Chapter 18 Productivity Zones Based on Bulk Soil Electrical
Conductivity: Applications for Dryland
Agriculture and Research ........................... 263
Cinthia K. Johnson, Rhae A. Drijber, Brian J.
Wienhold, and John W. Doran
Chapter 19 Four-Year Summary of the Use of Soil
Conductivity as a Measure of Soil and Crop
Status ............................................. 273
Roger A. Eigenberg, John A. Nienaber, Bryan
L. Woodbury, and Richard B. Ferguson
Chapter 20 Soil ECa Mapping Helps Establish Research Plots
at a New Research and Extension Center ............. 281
Hamid J. Farahani, David A. Claypool, R.P. Kelli
Beiden, Larry C. Munn, and Robert A. Flynn
Chapter 21 Mapping Golf-Course Features with
Electromagnetic Induction, with Examples from
Dublin, Ohio ....................................... 287
Richards Taylor
Chapter 22 Comparison of Geoelectrical Instruments in
Different Soilscapes ............................... 295
Robin Gebbers and Erika Lück
SECTION V Ground-Penetrating Radar Case Histories
Chapter 23 GPR Surveys across a Prototype Surface Barrier
to Determine Temporal and Spatial Variations in
Soil Moisture Content .............................. 305
William P. Clement and Andy L. Ward
Chapter 24 Soil Water Content Measurement Using the Ground-
Penetrating Radar Surface Reflectivity Method ...... 317
J. David Redman
Chapter 25 Assessing Spatial and Temporal Soil Water
Content Variation with GPR ......................... 323
Bernd Lennartz, Britta Schmalz, Derk Wachsmuth,
and Heiner Stoffregen
Chapter 26 Ground-Penetrating Radar Mapping of Near-Surface
Preferential Flow .................................. 337
Robert S. Freeland
Chapter 27 An Application of Ground-Penetrating Radar in
Golf Course Management ............................. 345
R. Boniak, S.-K. Chong, S.J. Indorante, and
J.A. Doolittle
Chapter 28 Ground-Penetrating Radar Investigation of a Golf
Course Green: Computer Processing and Field
Survey Setup Considerations ........................ 353
Barry J. Allred, Edward L. McCoy, and J. David
Redman
Chapter 29 Agricultural Drainage Pipe Detection Using
Ground-Penetrating Radar ........................... 363
Barry J. Allred and Jeffrey J. Daniels
Chapter 30 Using Ground-Penetrating Radar to Estimate Tree
Root Mass: Comparing Results from Two Florida
Surveys ............................................ 375
John R. Butnor, Daniel B. Stover, Brian E.
Roth, Kurt H. Johnsen, Frank P. Day, and Daniel
Mclnnis
Glossary ...................................................... 383
Index ......................................................... 393
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