| Engineering, nutrient removal, and feedstock conversion evaluations of four corn stover harvest scenarios RL Hoskinson, DL Karlen, SJ Birrell, CW Radtke, WW Wilhelm Biomass and Bioenergy 31 (2-3), 126-136, 2007 | 260 | 2007 |
| Statistical and neural methods for site–specific yield prediction ST Drummond, KA Sudduth, A Joshi, SJ Birrell, NR Kitchen Transactions of the ASAE 46 (1), 5, 2003 | 257 | 2003 |
| Comparison of sensors and techniques for crop yield mapping SJ Birrell, KA Sudduth, SC Borgelt Computers and Electronics in agriculture 14 (2-3), 215-233, 1996 | 201 | 1996 |
| Sensors for site‐specific management KA Sudduth, JW Hummel, SJ Birrell The state of site specific management for agriculture, 183-210, 1997 | 170 | 1997 |
| Analysis of spatial factors influencing crop yield KA Sudduth, ST Drummond, SJ Birrell, NR Kitchen Proceedings of the third international conference on precision agriculture …, 1996 | 163 | 1996 |
| Real-time multi ISFET/FIA soil analysis system with automatic sample extraction SJ Birrell, JW Hummel Computers and Electronics in Agriculture 32 (1), 45-67, 2001 | 135 | 2001 |
| Comparison of Variable Rate to Single Rate Nitrogen Fertilizer Application: Corn Production and Residual Soil NO3‐N NR Kitchen, DF Hughes, KA Sudduth, SJ Birrell Site‐specific management for agricultural systems, 427-441, 1995 | 102 | 1995 |
| Monitoring soil quality to assess the sustainability of harvesting corn stover DL Karlen, GE Varvel, JMF Johnson, JM Baker, SL Osborne, JM Novak, ... Agronomy Journal 103 (1), 288-295, 2011 | 99 | 2011 |
| Evaluation of nitrate and potassium ion-selective membranes for soil macronutrient sensing HJ Kim, JW Hummel, SJ Birrell Transactions of the ASABE 49 (3), 597-606, 2006 | 92 | 2006 |
| Multilocation corn stover harvest effects on crop yields and nutrient removal DL Karlen, SJ Birrell, JMF Johnson, SL Osborne, TE Schumacher, ... BioEnergy Research 7, 528-539, 2014 | 91 | 2014 |
| Video processing for early stage maize plant detection DS Shrestha, BL Steward, SJ Birrell Biosystems engineering 89 (2), 119-129, 2004 | 83 | 2004 |
| Membrane selection and ISFET configuration evaluation for soil nitrate sensing SJ Birrell, JW Hummel Transactions of the ASAE 43 (2), 197-206, 2000 | 77 | 2000 |
| Evaluation of GPS for applications in precision agriculture SC Borgelt, JD Harrison, KA Sudduth, SJ Birrell Applied engineering in agriculture 12 (6), 633-638, 1996 | 77 | 1996 |
| Drought effects on composition and yield for corn stover, mixed grasses, and Miscanthus as bioenergy feedstocks R Emerson, A Hoover, A Ray, J Lacey, M Cortez, C Payne, D Karlen, ... Biofuels 5 (3), 275-291, 2014 | 74 | 2014 |
| Evaluation of phosphate ion-selective membranes and cobalt-based electrodes for soil nutrient sensing HJ Kim, JW Hummel, KA Sudduth, SJ Birrell Transactions of the ASABE 50 (2), 415-425, 2007 | 72 | 2007 |
| Crop yield mapping: Comparison of yield monitors and mapping techniques SJ Birrell, SC Borgelt, KA Sudduth Site‐specific management for agricultural systems, 15-31, 1995 | 66 | 1995 |
| Combination residue spreader and collector for single pass harvesting systems SJ Birrell, BJ Schlesser, MD Dilts US Patent 8,177,610, 2012 | 64 | 2012 |
| Spatial modeling of crop yield using soil and topographic data. KA Sudduth, ST Drummond, SJ Birrell, NR Kitchen | 62 | 1997 |
| Rapid nitrate analysis of soil cores using ISFETs RR Price, JW Hummel, SJ Birrell, IS Ahmad Transactions of the ASAE 46 (3), 601, 2003 | 59 | 2003 |
| Multi-sensor ISFET system for soil analysis SJ Birrell, JW Hummel Precision agriculture 97, 459-468, 1997 | 58 | 1997 |
