Full TGIF Record # 105090
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Web URL(s):http://www.sciencedirect.com/science/article/pii/S0169204604000787
    Last checked: 05/30/2013
    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Miyamoto, S.; Chacon, Arturo; Hossain, Manwar; Martinez, Ignacio
Author Affiliation:Miyamoto, Chacon, Hossain, and Martinez: Agricultural Research Center, Texas A&M University, El Paso, Texas
Title:Spatial variability
Article Series:Soil salinity of urban turf areas irrigated with saline water, part 1
Source:Landscape and Urban Planning. Vol. 71, No. 2-4, March 2005, p. 233-241.
# of Pages:9
Publishing Information:Amsterdam: Elsevier
Keywords:TIC Keywords: Soil salinity; Urban landscaping; Saline water; Irrigation; Golf fairways; Upland soils; Alluvial soils; Water quality
Abstract/Contents:"With increasing use of saline water for irrigating urban landscapes, soil salinization is becoming a concern. This study examined spatial variation in soil salinity over the length of selected fairways at five golf courses, and of large turf areas at two public parks located in west Texas and southern New Mexico. Salinity of water used for irrigation ranged from 680 to 2700 mg L-1, and the sites consisted mostly of Aridisols (upland soils) or Entisols (alluvial soils). Soil salinity distribution at sites consisting of deep Aridisols was spatially independent with the coefficient of variability (CV) ranging from 24 to 42%. The sites consisting of shallow Aridisols over a calcic horizon had erratic and random soil salinity distributions with an average CV of 37%. Since soil salinity distributions in Aridisols and Alfisols appeared to be spatially independent within the distance of fairways, soil sampling adequacy can be determined by the conventional probability statistics. However, salinity distributions at Entisols sites were spatially dependant [dependent] to a length of 100 m or more. In addition, the clayey Entisols used for public parks had high levels of salt accumulation (>10 dS m-1 in the saturation extract) with the CV exceeding 60%. When salinity readings were stratified by soil type distribution, the CV was reduced to 28% on the average. The number of samples required to obtain the mean salinity over a typical length of fairways (250-300 m) within a deviate range of 20% averaged 6 in deep sandy Aridisols and Alfisols, and 13 each in other cases, provided that sampling of Entisols is made based on soil type distributions. These sampling requirements are greater than those for field soil moisture or saturation water contents. The spacing to collect the required number of samples over the prevailing length of fairways was between 23 and 38 m. Soil sampling for salinity appraisal is most problematic in Entisols, but can be made simple if a detailed soil map is available. In Aridisols containing a calcic horizon, it is probable to have saline spots over poorly permeable caliche. "
Language:English
References:10
See Also:See also part 2 "Soil factors" Landscape and Urban Planning, 77(1-2) June 15 2006, p. 28-38, R=105088. R=105088
Note:Tables
Graphs
See Also:Other items relating to: Soil Salinity
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Miyamoto, S., A. Chacon, M. Hossain, and I. Martinez. 2005. Spatial variability. Landscape Urban Plan. 71(2-4):p. 233-241.
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http://www.sciencedirect.com/science/article/pii/S0169204604000787
    Last checked: 05/30/2013
    Access conditions: Item is within a limited-access website
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