Search Results - "PENN, Chad J"

Streambanks: A net source of sediment and phosphorus to streams and rivers by Fox, Garey A., Purvis, Rebecca A., Penn, Chad J.

“…Sediment and phosphorus (P) are two primary pollutants of surface waters. Many studies have investigated loadings from upland sources or even streambed…”
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The Past, Present, and Future of Phosphorus Removal Structures by Chad J. Penn

“…The purpose of this special issue is to explore current challenges and develop a better understanding of the processes that control dissolved phosphorus (P)…”
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How Much Phosphorus Uptake Is Required for Achieving Maximum Maize Grain Yield? Part 1: Luxury Consumption and Implications for Yield by Penn, Chad J., Camberato, James J., Wiethorn, Matthew A.

“…Development of a more precise and process-based tool for making phosphorus (P) recommendations requires detailed understanding of plant P uptake needs. Future…”
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How Much Phosphorus Uptake Is Required for Achieving Maximum Maize Grain Yield? Part 2: Impact of Phosphorus Uptake on Grain Quality and Partitioning of Nutrients by Penn, Chad J., Camberato, James J., Wiethorn, Matthew A.

“…Previous studies have shown that excess phosphorus (P) uptake by maize can lead to a decreased grain yield. Part one of this study demonstrated that maize…”
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Utilization of Steel Slag in Blind Inlets for Dissolved Phosphorus Removal by Javier M. Gonzalez, Chad J. Penn, Stan J. Livingston

“…Blind inlets are implemented to promote obstruction-free surface drainage of field depressions as an alternative to tile risers for the removal of sediment and…”
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Introduction to P‐TRAP software for designing phosphorus removal structures by Penn, Chad J., Frankenberger, James, Livingston, Stanley

“…Phosphorus (P) removal structures are a new best management practice for filtering dissolved P in non‐point drainage from legacy P soils through use of P…”
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Desorption Kinetics of Legacy Soil Phosphorus: Implications for Non-Point Transport and Plant Uptake by Penn, Chad J., Williams, Mark R., Camberato, James, Wenos, Nicholas, Wason, Hope

“…Soil phosphorus (P) solubility and kinetics partly control dissolved P losses to surface water and uptake by plants. While previous studies have focused on…”
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Development of a Regeneration Technique for Aluminum-Rich and Iron-Rich Phosphorus Sorption Materials by Isis S. P. C. Scott, Chad J. Penn, Chi-hua Huang

“…The reduction of dissolved phosphorus (P) transport to water systems is of critical importance for water quality. Phosphorus sorption materials (PSMs) are…”
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Investigation of Atrazine Sorption to Biochar With Titration Calorimetry and Flow-Through Analysis: Implications for Design of Pollution-Control Structures by Penn, Chad J, Gonzalez, Javier M, Chagas, Isis

“…Atrazine is one of the most common broad-leaf herbicides used in the world. However, due to extensive use for many years, atrazine often appears in surface and…”
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Investigating Phosphorus Sorption onto Kaolinite Using Isothermal Titration Calorimetry by Penn, Chad J, Warren, Jason G

“…The mechanism of P sorption onto soils has a strong impact on bioavailability and transport potential. Assessment of sorption energy via isothermal titration…”
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Performance of a Ditch-Style Phosphorus Removal Structure for Treating Agricultural Drainage Water with Aluminum-Treated Steel Slag by Vinayak S. Shedekar, Chad J. Penn, Lindsay Pease, Kevin W. King, Margaret M. Kalcic, Stan J. Livingston

“…Several structural, treatment, and management approaches exist to minimize phosphorus (P) transport from agricultural landscapes (e.g., cover cropping and…”
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A Critical Review on Soil Chemical Processes that Control How Soil pH Affects Phosphorus Availability to Plants by Penn, Chad, Camberato, James

“…Occasionally, the classic understanding of the effect of pH on P uptake from soils is questioned through the claim that maximum P uptake occurs at a pH much…”
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Letter to the editor of chemosphere regarding Yang et al. (2021) and techniques for assessing realistic phosphorus removal in the field by Penn, Chad J.

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A Discussion on Mehlich-3 Phosphorus Extraction from the Perspective of Governing Chemical Reactions and Phases: Impact of Soil pH by Penn, Chad, Rutter, E., Arnall, D., Camberato, James, Williams, Mark, Watkins, Patrick

“…Mehlich-3 (M3) is one of the most common agronomic and environmental phosphorus (P) extractants for determining P fertilizer requirements and the potential for…”
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Phosphate removal by low-cost industrial byproduct iron shavings: Efficacy and longevity by Ai, Haiping, Zhang, Kai, Penn, Chad J., Zhang, Huichun

“…•Low-cost iron shavings (IS) showed good longevity and effectiveness in P removal.•Effective P removal sustained in 7-cycle batch tests and 60-day flow-through…”
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Coffee processing residues as a soil potassium amendment by Zoca, Samuel Menegatti, Penn, Chad J., Rosolem, Ciro Antonio, Alves, Alexandre Ricardo, Neto, Leontino Oliveira, Martins, Maximila Miranda

“…Introduction Total coffee production in the world in 2013 was 8.7 million Mg of coffee beans. Coffee must be processed after harvest to separate beans from the…”
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Estimating the variability of steel slag properties and their influence in phosphorus removal ability by Scott, Isis S.P.C., Penn, Chad J.

“…Steel slag has been proven to be an effective phosphorus (P) removal media, and a potential aid to mitigate point and nonpoint P pollution in freshwater…”
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Effects of redox on the phosphorus removal ability of iron-rich phosphorus sorption materials by Scott, Isis S.P.C., Penn, Chad J.

“…Iron-rich phosphorus (P) sorption materials (PSMs) are often used in P removal structures, a best management practice able to sequester dissolved P from…”
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Less Agricultural Phosphorus Applied in 2019 Led to Less Dissolved Phosphorus Transported to Lake Erie by Guo, Tian, Johnson, Laura T, LaBarge, Greg A, Penn, Chad J, Stumpf, Richard P, Baker, David B, Shao, Gang

“…Extreme precipitation events affect water quantity and quality in various regions of the world. Heavy precipitation in 2019 resulted in a record high area of…”
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Consequences of 33 Years of Plastic Film Mulching and Nitrogen Fertilization on Maize Growth and Soil Quality by Ding, Fan, Li, Shuangyi, Lu, Jie, Penn, Chad J., Wang, Qing-Wei, Lin, Guigang, Sardans, Jordi, Penuelas, Josep, Wang, Jingkuan, Rillig, Matthias C.

“…Plastic film mulching and urea nitrogen fertilization are widely used in agricultural ecosystems, but both their long-term use may leave a negative legacy on…”
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