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
Khanal, S.; Fulton, J.P.; Klopfenstein, A.; Douridas, N. et al., "Integration of high resolution remotely sensed data and machine learning techniques for spatial prediction of soil properties and corn yield" Computers and Electronics in Agriculture 153 (2018) 213-225-213-225
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
Shockley,Jordan; Dillon,Carl,R; Stombaugh,Tim; Shearer,Scott, "Whole farm analysis of automatic section control for agricultural machinery" PRECISION AGRICULTURE 13 4 (2012) 411-420-411-420
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
Sistani,K,R; Warren,J,G; Lovanh,N; Higgins,S; Shearer,S, "Greenhouse Gas Emissions from Swine Effluent Applied to Soil by Different Methods" SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 74 2 (2010) 429-435-429-435
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
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; Hancock,D,W; Stombaugh,T,S, "Distribution pattern variability of granular VRT applicators" TRANSACTIONS OF THE ASAE 48 6 (2005) 2053-2064-2053-2064
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
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
Stull,J; Dillon,C; Shearer,S; Isaacs,S, "Using precision agriculture technology for economically optimal strategic decisions: The case of CRP filter strip enrollment" JOURNAL OF SUSTAINABLE AGRICULTURE 24 4 (2004) 79-96-79-96
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
Stombaugh,T,S; Shearer,S, "Equipment technologies for precision agriculture" JOURNAL OF SOIL AND WATER CONSERVATION 55 1 (2000) 6-11-6-11
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
Lee, J.; Fulton, J.P.; Port, K.; Colley, III, R. et al., "Overview of Digital Technologies Offerings for North American Soybean Producers" ASABE 2018 Annual International Meeting 2018.
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.
Pitla, S.K.; Luck, J.D.; Shearer, S.A., "Guidance directrix generation using laser sensors" 2009.
Zandonadi, R.S.; Stombaugh, T.S.; Queiroz, D.M.; Shearer, S.A., "Mass flow sensor for combines with bucket conveyors" 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.
Montross, M.D.; Radtke, C.; Crofcheck, C.; Shearer, S.A., "Influence of collection method on the sugar and ethanol processing characteristics" 2007.
Stombaugh,T; Cole,J; Shearer,S; Koostra,B, "A test facility for evaluating dynamic GPS accuracy" 5th European Conference on Precision Agriculture/2nd European Conference Precision Livestock Farming 2005.
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.
Dillon,C,R; Mueller,T; Shearer,S, "An economic optimization model for management zone configuration" 4th European Conference on Precision Agriculture 2003.
Dillon,C,R; Shearer,S; Fulton,J; Kanakasabi,M, "Optimal path nutrient application using variable rate technology" 4th European Conference on Precision Agriculture 2003.
Burks, T.F.; Shearer, S.A.; Fulton, J.P., "Assessment of Fertilizer Application Accuracy With The Use of Navigation Aids" 2000.
Burks, T.F.; Shearer, S.A.; Sobolik, C.J.; Fulton, J.P., "Combine Yield Monitor Test Facility Development" 2000.
Wells, L.G.; Fulton, J.P.; Shearer, S.A.; Murdock, L.W., "Assessment of remote sensing for implementation of precision tillage" 2000.
Thomasson, J.A.; Chen, J.; Wooten, J.R.; Shearer, S.A. et al., "Cotton yield prediction improvement with remote sensing" 2000.
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.
Thomasson, J.A.; Shearer, S.A.; Byler, R.K., "Cotton color measurement improvement with image processing" 1997.
Burks, T.F.; Shearer, S.A., "Weed recognition using machine vision and color texture analysis" 1996.
Presentations
"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.
"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.
"Integrating remote sensed imagery with in-season nitrogen decisions." In ASABE Annual International Meeting. 2016.
Technical Reports
Khanal, S.; Fulton, J.P.; 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.
