| Integrating plant litter quality, soil organic matter stabilization, and the carbon saturation concept MJ Castellano, KE Mueller, DC Olk, JE Sawyer, J Six Global change biology 21 (9), 3200-3209, 2015 | 588 | 2015 |
| Concepts of variable rate technology with considerations for fertilizer application JE Sawyer Journal of Production Agriculture 7 (2), 195-201, 1994 | 352 | 1994 |
| Concepts and rationale for regional nitrogen rate guidelines for corn J Sawyer, E Nafziger, G Randall, L Bundy, G Rehm, B Joern | 320 | 2006 |
| Strengths and limitations of nitrogen rate recommendations for corn and opportunities for improvement TF Morris, TS Murrell, DB Beegle, JJ Camberato, RB Ferguson, J Grove, ... Agronomy journal 110 (1), 1-37, 2018 | 285 | 2018 |
| Nitrogen application to soybean at early reproductive development DW Barker, JE Sawyer Agronomy journal 97 (2), 615-619, 2005 | 174 | 2005 |
| General guide for crop nutrient and limestone recommendations in Iowa JE Sawyer | 174 | 2002 |
| Modeling long-term corn yield response to nitrogen rate and crop rotation LA Puntel, JE Sawyer, DW Barker, R Dietzel, H Poffenbarger, ... Frontiers in plant science 7, 1630, 2016 | 161 | 2016 |
| Using relative chlorophyll meter values to determine nitrogen application rates for corn JA Hawkins, JE Sawyer, DW Barker, JP Lundvall Agronomy Journal 99 (4), 1034-1040, 2007 | 159 | 2007 |
| A long‐term nitrogen fertilizer gradient has little effect on soil organic matter in a high‐intensity maize production system KH Brown, EM Bach, RA Drijber, KS Hofmockel, ES Jeske, JE Sawyer, ... Global change biology 20 (4), 1339-1350, 2014 | 153 | 2014 |
| Maximum soil organic carbon storage in Midwest US cropping systems when crops are optimally nitrogen-fertilized HJ Poffenbarger, DW Barker, MJ Helmers, FE Miguez, DC Olk, JE Sawyer, ... PLoS One 12 (3), e0172293, 2017 | 151 | 2017 |
| Cover crop effects on nitrous oxide emissions: role of mineralizable carbon DC Mitchell, MJ Castellano, JE Sawyer, J Pantoja Soil Science Society of America Journal 77 (5), 1765-1773, 2013 | 150 | 2013 |
| Drought impact on crop production and the soil environment: 2012 experiences from Iowa MM Al-Kaisi, RW Elmore, JG Guzman, HM Hanna, CE Hart, MJ Helmers, ... Journal of Soil and Water Conservation 68 (1), 19A-24A, 2013 | 150 | 2013 |
| Effect of nitrogen fertilizer application on growing season soil carbon dioxide emission in a corn–soybean rotation MM Al‐Kaisi, ML Kruse, JE Sawyer Journal of environmental quality 37 (2), 325-332, 2008 | 139 | 2008 |
| Corn nitrogen fertilization requirement and corn–soybean productivity with a rye cover crop JL Pantoja, KP Woli, JE Sawyer, DW Barker Soil Science Society of America Journal 79 (5), 1482-1495, 2015 | 138 | 2015 |
| Nitrogen fertilizer suppresses mineralization of soil organic matter in maize agroecosystems NK Mahal, WR Osterholz, FE Miguez, HJ Poffenbarger, JE Sawyer, ... Frontiers in Ecology and Evolution 7, 59, 2019 | 125 | 2019 |
| Use of anaerobically digested swine manure as a nitrogen source in corn production ER Loria, JE Sawyer, DW Barker, JP Lundvall, JC Lorimor Agronomy Journal 99 (4), 1119-1129, 2007 | 119 | 2007 |
| Understanding the DayCent model: Calibration, sensitivity, and identifiability through inverse modeling M Necpálová, RP Anex, MN Fienen, SJ Del Grosso, MJ Castellano, ... Environmental Modelling & Software 66, 110-130, 2015 | 118 | 2015 |
| Using active canopy sensors to quantify corn nitrogen stress and nitrogen application rate DW Barker, JE Sawyer Agronomy Journal 102 (3), 964-971, 2010 | 118 | 2010 |
| A general guide for crop nutrient and limestone recommendations in Iowa A Mallarino, J Sawyer, S Barnhart | 111 | 2013 |
| Phosphorus indexing for cropland: Overview and basic concepts of the Iowa phosphorus index AP Mallarino, BM Stewart, JL Baker, JD Downing, JE Sawyer Journal of Soil and Water Conservation 57 (6), 440-447, 2002 | 108 | 2002 |
Antonio MallarinoIowa State UniversityVerified email at iastate.edu
