Phosphorus export from artificially drained fields across the Eastern Corn Belt

LA Pease, KW King, MR Williams, GA LaBarge… - Journal of Great Lakes …, 2018 - Elsevier
Field observations that quantify agricultural phosphorus (P) losses are critical for the
development of P reduction strategies across the Eastern Corn Belt region of North America …

Evaluating management options to reduce Lake Erie algal blooms using an ensemble of watershed models

JF Martin, MM Kalcic, N Aloysius, AM Apostel… - Journal of …, 2021 - Elsevier
Reducing harmful algal blooms in Lake Erie, situated between the United States and
Canada, requires implementing best management practices to decrease nutrient loading …

Controls on subsurface nitrate and dissolved reactive phosphorus losses from agricultural fields during precipitation-driven events

BR Hanrahan, KW King, MR Williams - Science of the Total Environment, 2021 - Elsevier
The magnitude of nitrogen (N) and phosphorus (P) exported from agricultural fields via
subsurface tile drainage systems is determined by site-specific interactions between …

Quantifying the contribution of direct runoff and baseflow to nitrogen loading in the Western Lake Erie Basins

JH Song, Y Her, T Guo - Scientific reports, 2022 - nature.com
Soluble nitrogen is highly mobile in soil and susceptible to leaching. It is important to identify
nitrogen transport pathways so that the sources can be efficiently targeted in environment …

Legacy phosphorus concentration–discharge relationships in surface runoff and tile drainage from Ohio crop fields

WR Osterholz, BR Hanrahan, KW King - 2020 - Wiley Online Library
Legacy phosphorus (P) in agricultural soils can be transported to surface waters via runoff
and tile drainage, where it contributes to the development of harmful and nuisance algal …

Paired field and water measurements from drainage management practices in row-crop agriculture

LJ Abendroth, G Chighladze, JR Frankenberger… - Scientific Data, 2022 - nature.com
This paper describes a multi-site and multi-decadal dataset of artificially drained agricultural
fields in seven Midwest states and North Carolina, USA. Thirty-nine research sites provided …

Cover crops control nitrogen and phosphorus transport from two agricultural watersheds at multiple measurement scales

SL Speir, JL Tank, MT Trentman, UH Mahl… - Agriculture, Ecosystems …, 2022 - Elsevier
Environmental impacts on freshwater ecosystems persist due to inputs of excess fertilizer to
agricultural landscapes. Conservation efforts, such as cover crops, are being encouraged to …

[HTML][HTML] A regional examination of the footprint of agriculture and urban cover on stream water quality

PLR Chan, GB Arhonditsis, KA Thompson… - Science of The Total …, 2024 - Elsevier
Freshwater systems in cold regions, including the Laurentian Great Lakes, are threatened by
both eutrophication and salinization, due to excess nitrogen (N), phosphorus (P) and …

Contribution of overland and tile flow to runoff and nutrient losses from Vertisols in Manitoba, Canada

V Kokulan, ML Macrae, DA Lobb… - Journal of Environmental …, 2019 - Wiley Online Library
This study quantified the contributions of overland and tile flow to total runoff (sum of
overland and tile flow) and nutrient losses in a Vertisolic soil in the Red River valley …

Stratified soil sampling improves predictions of P concentration in surface runoff and tile discharge

W Osterholz, K King, M Williams, B Hanrahan… - Soil Systems, 2020 - mdpi.com
Phosphorus (P) stratification in agricultural soils has been proposed to increase the risk of P
loss to surface waters. Stratified soil sampling that assesses soil test P (STP) in a shallow …