Search Results - "Hettiarachchi, Ganga"

A Review of the Latest in Phosphorus Fertilizer Technology: Possibilities and Pragmatism by Weeks, Joseph J., Hettiarachchi, Ganga M.

“…The development of highly concentrated phosphorus (P) fertilizers, such as triple superphosphate, by the Tennessee Valley Authority helped mark the beginning…”
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Fate of Zinc Oxide Nanoparticles Coated onto Macronutrient Fertilizers in an Alkaline Calcareous Soil by Milani, Narges, Hettiarachchi, Ganga M, Kirby, Jason K, Beak, Douglas G, Stacey, Samuel P, McLaughlin, Mike J

“…Zinc oxide (ZnO) nanoparticles may provide a more soluble and plant available source of Zn in Zn fertilizers due to their greater reactivity compared to…”
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Phosphorus fractions and speciation in an alkaline, manured soil amended with alum, gypsum, and Epsom salt by Kumaragamage, Darshani, Hettiarachchi, Ganga M., Amarakoon, Inoka, Goltz, Doug, Indraratne, Srimathie

“…Snowmelt runoff is a dominant pathway of phosphorus (P) losses from agricultural lands in cold climatic regions. Soil amendments effectively reduce P losses…”
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Stability of blood lead levels in children with low-level lead absorption by Del Rio, Michelle, Rodriguez, Christina, Alvarado Navarro, Elizabeth, Wekumbura, Chandima, Galkaduwa, Madhubhashini B, Hettiarachchi, Ganga M, Sobin, Christina

“…Current child blood lead (Pb) screening guidelines assume that blood lead levels (BLLs) are relatively stable over time, and that only youngest children are…”
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Lead in Urban Soils: A Real or Perceived Concern for Urban Agriculture? by Brown, Sally L., Chaney, Rufus L., Hettiarachchi, Ganga M.

“…Urban agriculture is growing in cities across the United States. It has the potential to provide multiple benefits, including increased food security. Concerns…”
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Estimating the proportion of bioaccessible lead (BaPb) in household dust wipe samples: a comparison of IVBA and PBET methods by Wekumbura, Chandima, Hettiarachchi, Ganga M., Sobin, Christina

“…Established methods for using standardized dust wipes to collect and measure total lead in household dust are readily available but the use of dust wipes to…”
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Application of Synchrotron Radiation‐based Methods for Environmental Biogeochemistry: Introduction to the Special Section by Hettiarachchi, Ganga M., Donner, Erica, Doelsch, Emmanuel

“…To understand the biogeochemistry of nutrients and contaminants in environmental media, their speciation and behavior under different conditions and at…”
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Organic amendments temporarily change arsenic speciation and bioaccessibility in a lead and arsenic co‐contaminated urban soil by Attanayake, Chammi P., Hettiarachchi, Ganga M., Dissanayake, Aishika I., Ma, Qing

“…Organic amendments often reduce the bioaccessibility of soil lead (Pb) but not that of soil arsenic (As). The effect of Pb on As bioaccessibility is rarely…”
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Recovery of high-quality calcium phosphate fertilizer products from anaerobic membrane bioreactor treated swine wastewater by Damodara Kannan, Arvind, Dillavou, Jack, H.H. Gamage, Kasuni, Randig, Emily, M. Hettiarachchi, Ganga, Parameswaran, Prathap

“…•High quality calcium phosphate recovered from swine waste using lime addition.•Total alkalinity removal by acid addition and aeration improved P-product…”
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Soil Chemistry and the One Health Initiative: Introduction to the Special Section by Ohno, Tsutomu, Hettiarachchi, Ganga M.

“…Population growth and technical and social changes have always exerted pressure on environmental quality. However, we are experiencing unprecedented change in…”
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Potential human inhalation exposure to soil contaminants in urban gardens on brownfields sites: A breath of fresh air? by Weeks, Joseph J., Hettiarachchi, Ganga M., Santos, Eduardo, Tatarko, John

“…Urban gardening has been experiencing increased popularity around the world. Many urban gardens are located on sites that may be contaminated by trace elements…”
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Phosphorus Release and Speciation in Manganese(IV) Oxide and Zeolite-Amended Flooded Soils by Attanayake, Chammi P., Kumaragamage, Darshani, Amarawansha, Geethani, Hettiarachchi, Ganga M., Indraratne, Srimathie P., Goltz, Douglas M.

“…Phosphorus (P) losses from flooded soils and subsequent transport to waterways contribute to eutrophication of surface waters. This study evaluated the…”
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Safety of Gardening on Lead‐ and Arsenic‐Contaminated Urban Brownfields by Defoe, Phillip P., Hettiarachchi, Ganga M., Benedict, Christopher, Martin, Sabine

“…Elevated levels of lead (Pb) and arsenic (As) are not uncommon for urban soils. Test plots were established at urban gardens in Tacoma and Seattle, WA. The…”
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Fifty years of articles in JEQ on trace elements in the environment and future outlook by Strawn, Daniel G., Hettiarachchi, Ganga M.

“…Fifty years ago, the Journal of Environmental Quality (JEQ) was launched to provide an outlet for publication of research on the impacts of agriculture on the…”
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Efficient recovery of phosphorus and sulfur from Anaerobic Membrane Bioreactor (AnMBR) permeate using chemical addition of iron and evaluation of its nutrient availability for plant uptake by Heronemus, Evan, Gamage, Kasuni H.H., Hettiarachchi, Ganga M., Parameswaran, Prathap

“…Anaerobic membrane bioreactors (AnMBRs) represent an emerging environmental biotechnology platform with the potential to simultaneously recover water, energy,…”
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Urban soils research: SUITMA 10 by Cheng, Zhongqi, Hettiarachchi, Ganga M., Kim, Kye‐Hoon

“…Research on Soils in Urban, Industrial, Traffic, Mining and Military Areas (SUITMA) has been presented at biennial SUITMA conferences held in cities around the…”
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Field Evaluations on Soil Plant Transfer of Lead from an Urban Garden Soil by Attanayake, Chammi P., Hettiarachchi, Ganga M., Harms, Ashley, Presley, DeAnn, Martin, Sabine, Pierzynski, Gary M.

“…Lead (Pb) is one of the most common contaminants in urban soils. Gardening in contaminated soils can result in Pb transfer from soil to humans through…”
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Dissolution Kinetics of Macronutrient Fertilizers Coated with Manufactured Zinc Oxide Nanoparticles by Milani, Narges, McLaughlin, Mike J, Stacey, Samuel P, Kirby, Jason K, Hettiarachchi, Ganga M, Beak, Douglas G, Cornelis, Geert

“…The solubility of Zn in Zn fertilizers plays an important role in the agronomic effectiveness of the fertilizer. On the basis of thermodynamics, zinc oxide…”
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Potential Bioavailability of Lead, Arsenic, and Polycyclic Aromatic Hydrocarbons in Compost‐Amended Urban Soils by Attanayake, Chammi P., Hettiarachchi, Ganga M., Martin, Sabine, Pierzynski, Gary M.

“…Urban soils may contain harmful concentrations of contaminants, such as lead (Pb), arsenic (As), and polycyclic aromatic hydrocarbons (PAHs), that can transfer…”
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Bioavailability-Based In Situ Remediation To Meet Future Lead (Pb) Standards in Urban Soils and Gardens by Henry, Heather, Naujokas, Marisa F, Attanayake, Chammi, Basta, Nicholas T, Cheng, Zhongqi, Hettiarachchi, Ganga M, Maddaloni, Mark, Schadt, Christopher, Scheckel, Kirk G

“…Recently the Centers for Disease Control and Prevention lowered the blood Pb reference value to 5 μg/dL. The lower reference value combined with increased…”
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