Journal Articles
Luck, J.D.; Shearer, S.A.; Sama, M.P., "Development and preliminary evaluation of an integrated individual nozzle direct injection and carrier flow rate control system for pesticide applications" Transactions of the ASABE 62 2 (2019) 505-514-505-514
Sharda,Ajay; Luck,Joe,D; Fulton,John,P; McDonald,Timothy,P; Shearer,Scott,A, "Field application uniformity and accuracy of two rate control systems with automatic section capabilities on agricultural sprayers" PRECISION AGRICULTURE 14 3 (2013) 307-322-307-322
Fulton,John,P; Shearer,Scott,A; Higgins,Steve,F; McDonald,Timothy,P, "A method to generate and use as-applied surfaces to evaluate variable-rate fertilizer applications" PRECISION AGRICULTURE 14 2 (2013) 184-200-184-200
Luck,J,D; Fulton,J,P; McDonald,T,P; Shearer,S,A, "COMPARISON OF 2-WAY VERSUS METERED 3-WAY Boom SHUT-OFF VALVES FOR AUTOMATIC SECTION CONTROL ON AGRICULTURAL SPRAYERS" APPLIED ENGINEERING IN AGRICULTURE 28 5 (2012) 725-733-725-733
Luck,J,D; Sharda,A; Pitla,S,K; Fulton,J,P; Shearer,S,A, "A CASE STUDY CONCERNING THE EFFECTS OF CONTROLLER RESPONSE AND TURNING MOVEMENTS ON APPLICATION RATE UNIFORMITY WITH A SELF-PROPELLED SPRAYER" TRANSACTIONS OF THE ASABE 54 2 (2011) 423-431-423-431
Pike, A.C.; Mueller, T.G.; Schorgendorfer, A.; Shearer, S.A. et al., "Erratum to Erosion index derived from terrain attributes using logistic regression and neural networks (Agron. J., 101, 1068-1079)" Agronomy Journal 102 3 (2010) 1050-1050-1050-1050
Veal,M,W; Shearer,S,A; Fulton,J,P, "DEVELOPMENT AND PERFORMANCE ASSESSMENT OF A GRAIN COMBINE FEEDER HOUSE-BASED MASS FLOW SENSING DEVICE" TRANSACTIONS OF THE ASABE 53 2 (2010) 339-348-339-348
Luck,J,D; Pitla,S,K; Shearer,S,A; Mueller,T,G; Dillon,C,R; Fulton,J,P; Higgins,S,F, "Potential for pesticide and nutrient savings via map-based automatic boom section control of spray nozzles" COMPUTERS AND ELECTRONICS IN AGRICULTURE 70 1 (2010) 19-26-19-26
Fulton,J,P; Sobolik,C,J; Shearer,S,A; Higgins,S,F; Burks,T,F, "GRAIN YIELD MONITOR FLOW SENSOR ACCURACY FOR SIMULATED VARYING FIELD SLOPES" APPLIED ENGINEERING IN AGRICULTURE 25 1 (2009) 15-21-15-21
Fulton, J.P.; Shearer, S.; Higggins, T.; McDonald, T. et al., "Variable-Rate Fertilizer Application Assessment Using an As-Applied Methodology" Precision Agriculture (2007) 681-681-681-681
Dillon, C.R.; Shearer, S.; Fulton, J.P.; Pitla, S., "Improved profitability via enhanced resolution of variable-rate application management in grain crop production" Precision Agriculture (2007) 819-825-819-825
Higgins,S,F; Coyne,M,S; Shearer,S,A; Fulton,J,P, "Evaluating a rapid on-farm nutrient determination model for use in implementing nutrient management plans" WATER AIR AND SOIL POLLUTION 171 1-4 (2006) 333-358-333-358
Fulton,J,P; Shearer,S,A; Higgins,S,F; Darr,M,J; Stombaugh,T,S, "Rate response assessment from various granular VRT applicators" TRANSACTIONS OF THE ASAE 48 6 (2005) 2095-2103-2095-2103
Fulton,J,P; Shearer,S,A; Higgins,S,F; Hancock,D,W; Stombaugh,T,S, "Distribution pattern variability of granular VRT applicators" TRANSACTIONS OF THE ASAE 48 6 (2005) 2053-2064-2053-2064
Stombaugh,T; Cole,J; Shearer,S; Koostra,B, "A test facility for evaluating dynamic GPS accuracy" PRECISION AGRICULTURE 05 5 (2005) 605-612-605-612
Higgins,S,F; Shearer,S,A; Coyne,M,S; Fulton,J,P, "A rapid method for determining TN and TP concentrations in swine slurry using historical data" TRANSACTIONS OF THE ASAE 47 5 (2004) 1727-1737-1727-1737
Higgins,S,F; Shearer,S,A; Coyne,M,S; Fulton,J,P, "Relationship of total nitrogen and total phosphorus concentration to solids content in animal waste slurries" APPLIED ENGINEERING IN AGRICULTURE 20 3 (2004) 355-364-355-364
Burks, T.F.; Shearer, S.A.; Fulton, J.P.; Sobolik, C.J., "Effects of time-varying inflow rates on combine yield monitor accuracy" Applied Engineering in Agriculture 20 3 (2003) 269-275-269-275
Fulton, J.P.; Shearer, S.A.; Stombaugh, T.; Anderson, M.E. et al., "Simulation of Fixed- and Variable-Rate Application of Granular Materials" Transactions of the ASAE. American Society of Agricultural Engineers 46 5 (2003) 1311-1321-1311-1321
Dillon, C.R.; Shearer, S.A.; Fulton, J.P.; Kanakasabai, M., "Optimal Path Nutrient Application Using Variable-Rate Technology" Precision Agriculture (2003) 171-176-171-176
Burks,T,F; Shearer,S,A; Fulton,J,P; Sobolik,C,J, "Combine yield monitor test facility development and initial monitoring test" APPLIED ENGINEERING IN AGRICULTURE 19 1 (2003) 5-12-5-12
Stepanek, P.J.; Wilcox, A.P.; Shearer, S.A., "Proposed standard for hydraulic coupler capacity on agricultural tractors" Applied Engineering in Agriculture 11 1 (1995) 41-50-41-50
Shearer, S.A.; Dong, F.; Jones, P.T.; Swetnam, L.D., "Fluid-power drive for round balers" Applied Engineering in Agriculture 9 1 (1993) 21-27-21-27
Shearer, S.A.; Turner, G.M.; Collins, M.; Peterson, W.O., "Effect of swath and windrow manipulation on Alfalfa drying and quality" Applied Engineering in Agriculture 8 3 (1992) 303-307-303-307
Gates, R.S.; Overhults, D.G.; Walcott, B.L.; Shearer, S.A., "Constant velocity air inlet controller" Computers and Electronics in Agriculture 6 2 (1991) 175-190-175-190
Conferences
Hawkins, E.M.; Fulton, J.; Colley, III, R.; Port, K. et al., "eFields – An On-Farm Research Network to Inform Farm Recommendations" International Conference on Precision Agriculture 2018.
Khanal, S.; Fulton, J.P.; Klopfenstein, A.; Douridas, N. et al., "Characterizing the Spatial Variability of Soil Properties and Crop Yield Using High-Resolution Remote Sensing Image and Ground-Based Data" Asian-Australasian Conference on Precision Agriculture 2017.
Luck, J.D.; Zandonadi, R.S.; Luck, B.D.; Shearer, S.A., "Effects of field shape and size on application errors using manual and automatic boom section control on a self-propel led agricultural sprayer" 2010.
Zandonadi, R.S.; Stombaugh, T.S.; Queiroz, D.M.; Shearer, S.A., "Mass flow sensor for combines with bucket conveyors" 2009.
Pitla, S.K.; Luck, J.D.; Shearer, S.A., "Guidance directrix generation using laser sensors" 2009.
Luck, J.D.; Pitla, S.K.; Zandonadi, R.S.; Shearer, S.A., "Development of GIS-based chemical distribution maps from sprayer performance data" 2009.
Stombaugh, T.S.; Sama, M.P.; Zandonadi, R.S.; Shearer, S.A. et al., "Standardized evaluation of dynamic GPS performance" 2008.
Zandonadi, R.S.; Stombaugh, T.S.; Shearer, S.A.; Sama, M.M. et al., "Laboratory performance of a low cost mass flow sensor for combines" 2008.
Dillon, C.R.; Shearer, S.; Fulton, J.; Pitla, S., "Improved profitability via enhanced resolution of variable rate application management in grain crop production" 2007.
Fulton, J.; Shearer, S.; Higgins, S.; McBonald, T. et al., "Variable-rate fertilizer application assessment using an asapplied methodology" 2007.
Montross, M.D.; Radtke, C.; Crofcheck, C.; Shearer, S.A., "Influence of collection method on the sugar and ethanol processing characteristics" 2007.
Darr, M.J.; Stombaugh, T.S.; Shearer, S.A.; Fulton, J.P., "CAN-based distributed control for autonomous vehicles" 2004.
Cole, J.T.; Stombaugh, T.S.; Shearer, S.A., "Development of a test track for the evaluation of GPS receiver dynamic performance" 2004.
Fulton, J.P.; Shearer, S.A.; Higgins, S.F.; Stombaugh, T.S. et al., "Comparison of VRT granular applicators" 2004.
Fulton, J.P.; Shearer, S.A.; Chabra, G.; Higgins, S.F., "Performance Assessment and Model Development of a Variable-Rate, Spinner-Disc Fertilizer Applicator" 1999 ASAE Annual Meeting 2001.
Burks, T.F.; Shearer, S.A.; Fulton, J.P., "Assessment of Fertilizer Application Accuracy With The Use of Navigation Aids" 2000.
Wells, L.G.; Fulton, J.P.; Shearer, S.A.; Murdock, L.W., "Assessment of remote sensing for implementation of precision tillage" 2000.
Burks, T.F.; Shearer, S.A.; Sobolik, C.J.; Fulton, J.P., "Combine Yield Monitor Test Facility Development" 2000.
Thomasson, J.A.; Chen, J.; Wooten, J.R.; Shearer, S.A. et al., "Cotton yield prediction improvement with remote sensing" 2000.
Thomasson, J.A.; Shearer, S.A.; Byler, R.K., "Cotton color measurement improvement with image processing" 1997.
Shearer, S.A.; Higgins, S.G.; McNeill, S.G.; Watkins, G.A. et al., "Data filtering and correction techniques for generating yield maps from multiple-combine harvesting systems" 1997.
Watkins, G.A.; McNeill, S.G.; Shearer, S.A., "Farmstead groundwater quality monitoring in Kentucky" 1997.
Burks, T.F.; Shearer, S.A., "Weed recognition using machine vision and color texture analysis" 1996.
Presentations
"Understanding the Impact of Agricultural Field Traffic on Corn Yield using Remote Sensing." In American Society for Photogrammetry and Remote Sensing. 2020.
"Measurement of Granular Fertilizer Particles Using Image Processing for Spread Distribution Evaluation." In Annual International Meeting of the American Society of Agricultural and Biological Engineers. 2019.
"Overview of Digital Technologies Offerings for North American Soybean Producers." In ASABE 2018 Annual International Meeting. 2018.
"Late-season N evaluation with remote sensing." In American Society of Agricultural and Biological Engineers. 2018.
"Operational challenges and yield implications of increasing corn planting speeds." In American Society of Agricultural and Biological Engineers Annual International Meeting. 2018.
"Yield impacts of large central fill planters and tractors on pinch rows." In American Society of Agricultural and Biological Engineers Annual International Meeting. 2018.
"Remote sensing for monitoring the effects of machine-induced soil compaction during planting on corn vigor and yield." In American Society of Agricultural and Biological Engineers Annual International Meeting. 2018.
"Characterizing the spatial variability of soil properties and crop yield using high-resolution remote sensing image and ground-based data." In PA17- The International Tri-Conference for Precision Agriculture. 2017.
"Evaluation of remote sensing to optimize corn and soybean placement within the soil landscape." In American Society of Agricultural and Biological Engineers. 2017.
"Characterizing the spatial and temporal variability of crop vigor and yield using high-resolution remote sensing image and ground-based data." In American Society of Agricultural and Biological Engineers. 2017.
"Operational challenges and impacts of increasing planter speed on corn yield." In American Society of Agricultural and Biological Engineers. 2017.
"Impacts of large central fill planters on pinch rows." In American Society of Agricultural and Biological Engineers. 2017.
"Evaluation of data layers to optimize corn and soybean placement within the soil landscape." In American Society of Agricultural and Biological Engineers Annual International Meeting. 2017.
"Integrating remote sensed imagery with in-season nitrogen decisions." In ASABE Annual International Meeting. 2016.
"Players and Partners: Collecting, Moving and Sorting Data." In Big Data Workshop: Managing Your Most Exclusive Farm Assets. 2014.
Technical Reports
Hawkins, E.M.; Fulton, J.; Arnold, G.; Barker, J. et al., "2019 eFields Report" 2020.
Khanal, S.; Fulton, J.P.; Shah, A.; Shearer, S. et al., "Free, Online Data and Tools for the Agricultural Community" 2018.
Khanal, S.; Fulton, J.; Shah, A.; Shearer, S. et al., "Free, Online Data and Tools for the Agricultural Community" 2018.
Hawkins, E.M.; Fulton, J.P.; Arnold, G.; Bennett, A. et al., "2017 eFields Report" 2018.
