Full TGIF Record # 109240
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Web URL(s):http://turf.rutgers.edu/research/abstracts/symposium2006.pdf#page=19
    Last checked: 11/26/2007
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Publication Type:
i
Report
Author(s):Han, Han; Gimenez, Daniel; Murphy, James A.
Author Affiliation:Han: Department of Ecology, Evolution and Natural Resources, Rutgers University; and Gimenez: Department of Environmental Sciences, Rutgers University; and Murphy: Department of Plant Biology and Pathology, Rutgers University
Title:Hydrological properties of root zone mixes
Section:Plenary
Other records with the "Plenary" Section
Meeting Info.:Cook College, Rutgers, NJ: January 12-13, 2006
Source:Proceedings of the Fifteenth Annual Rutgers Turfgrass Symposium. 2006, p. 18.
Publishing Information:New Brunswick, NJ: Center for Turfgrass Science, Cook College, Rutgers, The State University of New Jersey
# of Pages:1
Keywords:TIC Keywords: Hydraulic conductivity; Root zone mixture; Soil properties; Models; Porosity; Soil water retention; Particle size
Abstract/Contents:Discusses modifications to the Rawls et al. saturated hydraulic conductivity, Ks model. States that "Ks is an essential parameter for predicting transport processes through soils." Also states that the model proposed by Rawls et al. "uses effective porosity (defined as air-filled porosity at a matric potential of -33 kPa) modified by a power representing a pore distribution index (defined as the change in porosity between -33 kPa and -1,500 kPa) and by an empirical linear constant." States that the hypothesis proposed by the authors is "the prediction of Ks can be improved by using information of water retention at relatively low matric potentials (indicative of macroscopy)." Describes the conditions of the experiment and lists the modifications made to the Rawls et al. model including "1) defining a new effective porosity (as air-filled porosity at the inflection point) and power index (change is porosity between saturation and the infection point), and 2) expressing the linear constant as a function of the pore diameter at the inflection point and of the power index." Results indicate that "with site specific data the model has the potential to be used in investigations at the field scale."
Language:English
References:0
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Han, H., Daniel Giménez, and J. A. Murphy. 2006. Hydrological properties of root zone mixes. Proc. Annu. Rutgers Turfgrass Symp. p. 18.
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Web URL(s):
http://turf.rutgers.edu/research/abstracts/symposium2006.pdf#page=19
    Last checked: 11/26/2007
    Requires: PDF Reader
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MSU catalog number: SB 433 .R88
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