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A. L. Page
University of California, Riverside
Soil waterChemistrySoil testSludgeAgronomy
41Publications
30H-index
39.5kCitations
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Publications 52
Newest
#1A. L. PageH-Index: 30
#2T. J. LoganH-Index: 2
Last. J. A. RyanH-Index: 2
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This book is the proceedings of a workshop held in Las Vegas, NV in 1985 entitled Effects of Sewage Sludge Quality and Soil Properties on Plant Uptake of Sludge-Applied Trace Constituents. The workshop was in response to the need to utilize the most current available information in the development of regulations and criteria to safely apply and manage the land application of municipal sewage sludge. The participants were undoubtedly the most knowledgeable of this subject matter, and were divided...
91 Citations
#1Wentao Jiao (CAS: Chinese Academy of Sciences)H-Index: 21
#2Weiping Chen (CAS: Chinese Academy of Sciences)H-Index: 28
Last. Albert L. Page (UCR: University of California, Riverside)H-Index: 10
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Application of phosphate fertilizer can be a significant contributor of potentially hazardous trace elements such as arsenic, cadmium, and lead in croplands. These trace elements have the potential to accumulate in soils and be transferred through the food chain. We articulated the environmental risks of trace elements associated with long-term phosphate fertilizer applications by combining data from the literature and results from model simulations. Results illustrate that under normal cropping...
172 CitationsSource
#1Bon-Jun Koo (California Baptist University)H-Index: 9
#2Weiping Chen (CAS: Chinese Academy of Sciences)H-Index: 28
Last. Robert H. Dowdy (UMN: University of Minnesota)H-Index: 12
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Organic acids present in the rhizosphere of growing plants are widely recognized to be responsible for dissolving the solid phase metals in the soil and making them available for plant absorption. We proposed a root exudates-based model to assess the long-term phytoavailability of metals in biosolids-amended soils. The phytoavailability of biosolids-borne metals was defined in terms of a capacity factor and an intensity factor. The plant available metal pool, C(0) (capacity factor, mg kg(-1)), c...
23 CitationsSource
#1Yanying Bai (UCR: University of California, Riverside)H-Index: 8
#2Weiping Chen (CAS: Chinese Academy of Sciences)H-Index: 28
Last. Albert L. Page (UCR: University of California, Riverside)H-Index: 10
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Potentially hazardous trace elements such as Cd, Cu, Cr, Ni and Zn are expected to accumulate in biosolids-amended soil and remain in the soil for a long period of time. In this research, uptake of metals by food plants including cabbage, carrot, lettuce and tomato grown on soils 10 years after biosolids application was studied. All the five metals were significantly accumulated in the biosolids-amended soils. The accumulation of metal in soil did not result in significant increase in concentrat...
8 CitationsSource
#1Weiping Chen (CAS: Chinese Academy of Sciences)H-Index: 28
#2Andrew C. Chang (UCR: University of California, Riverside)H-Index: 35
Last. Bon-Jun Koo (California Baptist University)H-Index: 9
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3 CitationsSource
#1Weiping Chen (UCR: University of California, Riverside)H-Index: 28
#2Natalie Krage (UCR: University of California, Riverside)H-Index: 3
Last. Andrew C. Chang (UCR: University of California, Riverside)H-Index: 35
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We collected and analyzed over 600 soil samples from the vegetable production fields in seven regions across California, examining the total As, Cd, Pb, P, and Zn concentrations of the soils. The ranges for baseline concentrations were determined for each region. The total P and Zn contents of the soils in comparison to the baseline ranges served as indicators on P fertilizers and micronutrients inputs through cultivation, the greater the total contents the larger the inputs. When the soil As, C...
3 CitationsSource
#1Weiping ChenH-Index: 28
#2Andrew C. ChangH-Index: 35
Last. Albert L. PageH-Index: 10
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The solution to solid partitioning coefficient (Kd) is an important parameter in assessing the environmental and health risks of potentially toxic metals in soils. Ideally, the metal in solution phase should be determined at the field moisture condition under which the exposures take place. In reality, it is often represented by the concentration in extracts of a given soil-to-water ratio. Using cadmium (Cd) as an example, we demonstrated the uncertainties in determining the soil solution concen...
6 CitationsSource
#1Andrew C. ChangH-Index: 35
Last. Albert L. PageH-Index: 10
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#1Weiping Chen (UCR: University of California, Riverside)H-Index: 28
#2Andrew C. Chang (UCR: University of California, Riverside)H-Index: 35
Last. Albert L. Page (UCR: University of California, Riverside)H-Index: 10
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In sorption experiments, Cd in the solution phase may be surface adsorbed or immobilized and precipitated into mineral phases. The reaction kinetics can be described by a two-site model combining a linear instantaneous model for the surface adsorption and a first-order reaction kinetic model with forward and backward reaction constants for the immobilization and precipitation of the mineral phase. A simplified sequential procedure was developed to study the contribution of these two processes. R...
11 CitationsSource
#1Andrew C. ChangH-Index: 35
#2Weiping ChenH-Index: 28
Last. Seongju KimH-Index: 1
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1 Citations
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