Search Results - "Harris, Willie G."

Manganese oxide-modified biochars: preparation, characterization, and sorption of arsenate and lead by Wang, Shengsen, Gao, Bin, Li, Yuncong, Mosa, Ahmed, Zimmerman, Andrew R, Ma, Lena Q, Harris, Willie G, Migliaccio, Kati W

“…This work explored two modification methods to improve biochar's ability to sorb arsenic (As) and lead (Pb). In one, pine wood feedstock was pyrolyzed in the…”
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Natural Nanoparticles: Implications for Environment and Human Health by Bakshi, Santanu, He, Zhenli L., Harris, Willie G.

“…In the last decade, extensive studies have been conducted to understand the chemical and biological processes of nanoparticles and their effects on ecological…”
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Spectroscopic Models of Soil Organic Carbon in Florida, USA by Vasques, Gustavo M, Grunwald, Sabine, Harris, Willie G

“…Soil organic carbon (SOC) is an indicator of ecosystem quality and plays a major role in the biogeochemical cycles of major nutrients and water. Shortcomings…”
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Ionic strength reduction and flow interruption enhanced colloid-facilitated Hg transport in contaminated soils by Zhu, Yingjia, Ma, Lena Q., Dong, Xiaoling, Harris, Willie G., Bonzongo, J.C., Han, Fengxiang

“…•Hg concentrations were 2–4 times greater in colloids than in soils.•Hg in organic matter bound fraction was the most abundant in contaminated soils.•Ionic…”
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Impacts of Phosphate Amendments on Lead Biogeochemistry at a Contaminated Site by Cao, Xinde, Ma, Lena Q, Chen, Ming, Singh, Satya P, Harris, Willie G

“…Soil amendments can be used to cost-effectively reduce the bioavailability and mobility of toxic metals in contaminated soils. In this study a field…”
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Phosphate-induced metal immobilization in a contaminated site by Cao, Rocky X, Ma, Lena Q, Chen, Ming, Singh, Satya P, Harris, Willie G

“…A mixture of H 3PO 4 and phosphate rock was effective in metal immobilization. To assess the efficiency of P-induced metal immobilization in soils, a…”
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Phosphorus Immobilization in Micropores of Drinking-Water Treatment Residuals:  Implications for Long-Term Stability by Makris, Konstantinos C, Harris, Willie G, O'Conno, George A, Obreza, Thomas A

“…Drinking-water treatment residuals (WTRs) can immobilize excess soil phosphorus (P), but little is known about the long-term P retention by WTRs. To evaluate…”
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Removal of arsenic by magnetic biochar prepared from pinewood and natural hematite by Wang, Shengsen, Gao, Bin, Zimmerman, Andrew R, Li, Yuncong, Ma, Lena, Harris, Willie G, Migliaccio, Kati W

“…There is a need for the development of low-cost adsorbents to removal arsenic (As) from aqueous solutions. In this work, a magnetic biochar was synthesized by…”
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Inhibition of calcium phosphate precipitation under environmentally-relevant conditions by Cao, Xinde, Harris, Willie G., Josan, Manohardeep S., Nair, Vimala D.

“…Precipitation of Ca phosphates plays an important role in controlling P activity and availability in environmental systems. The purpose of this study was to…”
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Physicochemical and sorptive properties of biochars derived from woody and herbaceous biomass by Wang, Shengsen, Gao, Bin, Zimmerman, Andrew R., Li, Yuncong, Ma, Lena, Harris, Willie G., Migliaccio, Kati W.

“…•Prepare conditions affected biochar’s physicochemical properties.•Prepare conditions affected the sorption of As and Pb onto biochars.•All the tested biochars…”
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Mining of soil legacy phosphorus without jeopardizing crop yield by Nair, Vimala D, Sollenberger, Lynn E, Harris, Willie G, Sharpley, Andrew N, Freitas, Andressa M, Dubeux, Jose Carlos Batista, Rodriguez, Amanda N

“…Off‐site transport of excess soil P from repeated P fertilizer applications constitutes waste of a vital resource and poses an environmental risk. Excess P can…”
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Baseline concentrations of 15 trace elements in Florida surface soils by Chen, M, Ma, L.Q, Harris, W.G

“…The objective of this study was to establish baseline concentrations for 15 potentially toxic elements (Ag, As, Ba, Be, Cd, Cr, Cu, Hg, Mn, Mo, Ni, Pb, Sb, Se,…”
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Valorization of farm pond biomass as fertilizer for reducing basin-scale phosphorus losses by Shukla, Asmita, Shukla, Sanjay, Hodges, Alan W., Harris, Willie G.

“…Long-term fertilizer phosphorus (P) inputs are causing phosphorous saturation of agricultural soils globally. The saturation is spreading to the…”
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Holistic environmental soil-landscape modeling of soil organic carbon by Xiong, Xiong, Grunwald, Sabine, Myers, D. Brenton, Kim, Jongsung, Harris, Willie G., Comerford, Nicolas B.

“…In environmental soil-landscape modeling (ESLM), the selection of predictive variables is commonly contingent on the researchers' domain expertise on…”
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Biochar Amendment Affects Leaching Potential of Copper and Nutrient Release Behavior in Contaminated Sandy Soils by Bakshi, Santanu, He, Zhenli L., Harris, Willie G.

“…Copper (Cu) contamination to soil and water is a worldwide concern. Biochar has been suggested to remediate degraded soils. In this study, column leaching and…”
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Interaction effects of climate and land use/land cover change on soil organic carbon sequestration by Xiong, Xiong, Grunwald, Sabine, Myers, D. Brenton, Ross, C. Wade, Harris, Willie G., Comerford, Nicolas B.

“…Historically, Florida soils stored the largest amount of soil organic carbon (SOC) among the conterminous U.S. states (2.26Pg). This region experienced rapid…”
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Soil Phosphorus Sources and Their Relative Water Solubility and Extractability by Herrera, Daniel, Mylavarapu, Rao S., Harris, Willie G., Colee, James

“…Soil testing is a tool used to predict crop response to residual soil phosphorus (P). It is commonly perceived that high soil test P indicates high potential…”
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Arsenic species and leachability in the fronds of the hyperaccumulator Chinese brake ( Pteris vittata L.) by Tu, Cong, Ma, Lena Q, Zhang, Weihua, Cai, Yong, Harris, Willie G

“…Arsenic was predominantly present as inorganic arsenite in the fronds of the hyperaccumulator Chinese brake. Arsenic speciation is important not only for…”
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Pyrolysis‐induced phosphorus transformations for biosolids from diverse sources by Freitas, Andressa Morato, Nair, Vimala D., Harris, Willie G., Mosquera‐Losada, Maria Rosa, Ferreiro‐Domínguez, Nuria

“…Biosolids have been long used as a soil amendment to promote nutrient recovery. The readily releasable forms of nutrients present in this biowaste, such as…”
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A Billion Tons of Unaccounted for Carbon in the Southeastern United States by Gonzalez, Yaslin N., Bacon, Allan R., Harris, Willie G.

“…Because Earth's soil contains more carbon than the atmosphere and all terrestrial vegetation combined, forecasting and managing the global carbon cycle in the…”
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