| Method of determining and treating the health of a crop LL Hendrickson, S Han, MA Dickson US Patent 6,529,615, 2003 | 174 | 2003 |
| Crop sampling system KW Wendte, LL Hendrickson US Patent 6,119,531, 2000 | 133 | 2000 |
| Effect of equilibrium metal concentrations on apparent selectivity coefficients of soil complexes LL Hendrickson, RB Corey Soil Science 131 (3), 163-171, 1981 | 124 | 1981 |
| Method for monitoring nitrogen status using a multi-spectral imaging system MA Dickson, LL Hendrickson, JF Reid US Patent 6,160,902, 2000 | 123 | 2000 |
| Method of determining and treating the health of a crop LL Hendrickson, MA Dickson, S Han US Patent 6,178,253, 2001 | 108 | 2001 |
| Urease inhibitory activity associated with N-(n-butyl) thiophosphoric triamide is due to formation of its oxon analog GL Creason, MR Schmitt, EA Douglass, LL Hendrickson Soil Biology and Biochemistry 22 (2), 209-211, 1990 | 99 | 1990 |
| Crop attribute map input for vehicle guidance LL Hendrickson, TD Pickett, SM Faivre US Patent 7,725,233, 2010 | 92 | 2010 |
| Metabolism of the urease inhibitor N-(n-butyl) thiophosphoric triamide (NBPT) in soils LL Hendrickson, EA Douglass Soil Biology and Biochemistry 25 (11), 1613-1618, 1993 | 90 | 1993 |
| N-aliphatic and N, N-aliphatic phosphoric triamide urease inhibitors and urease inhibited urea based fertilizer compositions JF Kolc, MD Swerdloff, MM Rogic, LL Hendrickson, M Van Der Puy US Patent 4,530,714, 1985 | 89 | 1985 |
| Multi-spectral imaging sensor MA Dickson, LL Hendrickson, JF Reid US Patent App. 09/411,414, 2001 | 88 | 2001 |
| Method for making a land management decision based on processed elevational data LL Hendrickson, RB Clark US Patent App. 12/148,021, 2009 | 81 | 2009 |
| Evaluation of Nitrapyrin as a Means of Improving N Efficiency in Irrigated Sands1 LL Hendrickson, DR Keeney, LM Walsh, EA Liegel Agronomy Journal 70 (5), 699-704, 1978 | 78 | 1978 |
| Effectiveness of Nitrapyrin in Controlling Nitrification of Fall and Spring‐Applied Anhydrous Ammonia1 LL Hendrickson, LM Walsh, DR Keeney Agronomy Journal 70 (5), 704-708, 1978 | 73 | 1978 |
| Vehicle soil pressure management based on topography NW Anderson, LL Hendrickson US Patent 8,843,269, 2014 | 65 | 2014 |
| Corn yield response to the urease inhibitor NBPT: five‐year summary LL Hendrickson Journal of production agriculture 5 (1), 131-137, 1992 | 64 | 1992 |
| Soil compaction management and reporting NW Anderson, LL Hendrickson US Patent 9,511,633, 2016 | 61 | 2016 |
| Modification and testing of a commercial sprayer with PWM solenoids for precision spraying S Han, LL Hendrickson, B Ni, Q Zhang Applied Engineering in Agriculture 17 (5), 591, 2001 | 60 | 2001 |
| A bioassay to determine the effect of organic matter and pH on the effectiveness of nitrapyrin (N-Serve) as a nitrification inhibitor LL Hendrickson, DR Keeney Soil Biology and Biochemistry 11 (1), 51-55, 1979 | 60 | 1979 |
| Per plant crop sensing resolution LL Hendrickson, N Dybro, NW Anderson US Patent 10,178,828, 2019 | 57 | 2019 |
| Stripper plate adjustment N Dybro, LL Hendrickson US Patent 9,320,196, 2016 | 53 | 2016 |
