| Influence of no‐till and a winter rye cover crop on nitrate losses from tile‐drained row‐crop agriculture in Iowa ER Waring, A Lagzdins, C Pederson, MJ Helmers Journal of environmental quality 49 (2), 292-303, 2020 | 27 | 2020 |
| Impact of nitrogen fertilizer timing on nitrate loss and crop production in northwest Iowa ER Waring, J Sawyer, C Pederson, M Helmers Journal of Environmental Quality 51 (4), 696-707, 2022 | 5 | 2022 |
| Demonstrating cover crop mixtures on Iowa farmland: Management, soil health, and water quality benefits M Licht, L Juchems, M Helmers, E Waring, S Carlson Iowa State University Research and Demonstration Farms Progress Reports 2018 (1), 2019 | 5 | 2019 |
| Water and soil quality respond to no-tillage and cover crops differently through 10 years of implementation ER Waring, C Pederson, A Lagzdins, C Clifford, MJ Helmers Agriculture, Ecosystems & Environment 360, 108791, 2024 | 4 | 2024 |
| Cover crop mixtures versus single species: Water quality and cash crop yield E Waring, M Licht, E Ripley, A Staudt, S Carlson, M Helmers Journal of Soil and Water Conservation 78 (1), 1-15, 2023 | 4 | 2023 |
| Quantifying the impacts of a winter cereal rye cover crop and no-till on soil moisture, soil temperature, and nitrate loss via subsurface drainage ER Waring Iowa State University, 2017 | 2 | 2017 |
| Cover Cropping and No-Tillage Conservation Practices Enhance Soil Health Properties and Reduce Environmental Losses on Tile Drained Iowa Mollisols MP Davis, E Waring, MD McDaniel, MJ Helmers ASA, CSSA, SSSA International Annual Meeting, 2021 | 1 | 2021 |
| Impact of 4R Management on Crop Production and Nitrate-Nitrogen Loss in Tile Drainage E Waring, C Pedersen, J Sawyer, MJ Helmers, T Tuttle Iowa State University Research and Demonstration Farms Progress Reports, 2021 | 1 | 2021 |
| Investigating in-field practices to mitigate nitrate loss from subsurface drainage in Iowa in a corn/soybean rotation ER Waring Iowa State University, 2021 | 1 | 2021 |
| Impact of nitrogen application timing and source on nitrate leaching and crop yield A Lagzdins, C Pederson, L Schott, E Waring, M Helmers 2016 10th International Drainage Symposium Conference, 6-9 September 2016 …, 2016 | 1 | 2016 |
| Precipitation overwhelms agricultural conservation practices' influence on corn/soybean nitrate exports C Clifford, MJ Helmers, C Pederson, ER Waring AGU23, 2023 | | 2023 |
| Corn Yield Increase Under Constant Fertilizer Did Not Reduce Nitrate Export CC Clifford, ER Waring, CH Pederson, MJ Helmers American Society of Agricultural and Biological Engineers 66 (5), 1153-1161, 2023 | | 2023 |
| Erratum to: Impact of nitrogen fertilizer timing on nitrate loss and crop production in northwest Iowa ER Waring, J Sawyer, C Pederson, M Helmers Journal of Environmental Quality 52 (1), 224-224, 2023 | | 2023 |
| Impact of 4R Management on Crop Production and Nitrate-Nitrogen Loss in Tile Drainage in Northwest Iowa MJ Helmers, E Waring, JE Sawyer, C Pederson ASA, CSSA, SSSA International Annual Meeting, 2022 | | 2022 |
| Demonstrating Cover Crop Mixtures on Iowa Farmland: Management, Soil Health, and Water Quality Benefits E Waring, MJ Helmers, MA Licht, L Juchems, S Carlson Iowa State University Research and Demonstration Farms Progress Reports 2020 (1), 2021 | | 2021 |
| Does Stacking Cover Cropping and No-Tillage Conservation Practices Enhance Soil Health and Environmental Health? MP Davis, E Waring, MJ Helmers, MD McDaniel ASA, CSSA and SSSA International Annual Meetings (2019), 2019 | | 2019 |
| Nutrient Management, Cover Crops, and Drainage Water Management for Reducing Nitrate-N Losses in Iowa. MJ Helmers, L Schott, E Waring, K Craft, A Lagzdinis, C Pederson ASA, CSSA and SSSA International Annual Meetings (2015), 2015 | | 2015 |
| Assessing the Effect of Cover Cropping and No-Tillage Conservation Practices on Soil Health, Nitrate Leaching, Greenhouse Gas Emissions from Tile Drained Iowa Mollisols MP Davis, MD McDaniel, MJ Helmers, E Waring ASA, CSSA and SSSA International Annual Meetings (2020)| VIRTUAL, 0 | | |
