Nitrates in water not linked to corn acreage

Research findings cast doubt on predictions that planting more corn would increase nitrate concentrations in local waterways.

As Iowa farmers have planted more acres of corn to meet the demand driven by the corn-based ethanol industry, many models predicted that nitrate concentrations in Iowa streams would increase accordingly. However, recent University of Iowa College of Engineering research based on water monitoring casts doubt on these predictions.

IIHR-Hydroscience & Engineering researchers Chris Jones, Keith Schilling and Kung-Sik Chan, along with colleagues at the Iowa Soybean Assn., evaluated

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