Dr. Matthew Helmers
Position
- Professor - Agricutlural & Biosystems Engineering
- Director - Iowa Nutrient Research Center
Research Area
Area of Expertise
- Agricultural water management
- Drainage
- Engineering
Affiliations
- Iowa State University
Projects
- Before the Streams: Modeling the Effectiveness of In-Field and Edge-of-Field Practices in Reducing Nitrogen Loads (2018)
- Evaluation of Measurement Methods as Surrogates for Tile-Flow Nitrate-N Concentrations (2018)
- Quantifying Hotspots of Nitrate and Dissolved Phosphorus Losses from Cropped Depressions and Impacts at the Catchment Scale (2018)
- Delivery-Scale Evaluation and Modeling of Nutrient Reduction Practices (2017)
- Does Quantity and Quality of Tile Drainage Water Impact In-stream Eutrophication Potential? Evidence from a Long-term Biofuel Cropping Systems Experiment (2017)
- Impacts of Cover Crops on Phosphorus and Nitrogen Loss with Surface Runoff (2017)
- Limiting Nitrogen Immobilization in Cover Crop Systems (2017)
- Water Quality Evaluation of Prairie Strips Across Iowa (2017)
- Evaluation of Measurement Methods as Surrogates for Tile-Flow Nitrate-N Concentrations (2016)
- Improving the Capacity to Detect Load Reductions (2016)
- Impacts of Cover Crops on Phosphorus and Nitrogen Loss with Surface Runoff 2015
- Quantifying Temporal and Spatial Variability in NO3-N Leaching Across Iowa (2015)
- Water Quality Performance of Prairie Strips (2015)
- Drainage Water Quality Impacts of Current Future Agricultural Management Practices (2014)
- Phosphorus Loss from Ephemeral Gully Formation and Sediment Transport (2014)
- Impacts of Cover Crops on Phosphorus and Nitrogen Loss with Surface Runoff 2013
- Nonpoint Source Nitrogen and Phosphorous Loads at Implementation Scale: Direct Agricultural Nutrient Loads to Surface Waters in Relation to Land Use and Management (2013)