Arid
DOI10.1080/15324980802598607
Chemical and Physical Properties of Chihuahuan Desert Soils Irrigated with Industrial Effluent
Babcock, Michael1; Shukla, Manoj K.1; Picchioni, Geno A.1; Mexal, John G.1; Daniel, David2
通讯作者Shukla, Manoj K.
来源期刊ARID LAND RESEARCH AND MANAGEMENT
ISSN1532-4982
EISSN1532-4990
出版年2009
卷号23期号:1页码:47-66
英文摘要

Land application of secondary industrial effluent to Chihuahuan Desert upland near Las Cruces, New Mexico, was designed to meet the water demand of creosote and mesquite shrubs. The major objective of this study was to assess changes in chemical and physical properties of desert soils after 4 years (2002-2005) of irrigation with secondary industrial effluent. Soil texture and bulk density (pb) did not differ between irrigated and control plots, but did so between bare ground and mesquite sites in the control and irrigated plots. Reductions in saturated hydraulic conductivity (Ks), drainable porosity (d), and effective porosity (e) in the upper 0-15cm of irrigated plot soils were attributed to decline of soil structure and dispersion of clays resulting from the addition of highly sodic and alkaline effluent to irrigated plots. Although rarely significant, consistently higher electrical conductivity, sodium adsorption ratio, chloride, exchangeable sodium percentage, and Na+ in the soil profile (between 30cm and 210cm) at creosote and mesquite sites compared to the bare ground site suggested deeper leaching of wastewater constituents at shrub sites. Deeper leaching of wastewater constituents beneath shrubs compared to bare ground areas may be attributed to higher water inputs caused by sprinkler spray interception, and higher Ks, d, and e of soils beneath creosote and mesquite canopies. Continued application of industrial effluent to a Chihuahuan Desert ecosystem over the long term should consider the relative importance of canopy and intercanopy areas.


英文关键词bulk density electrical conductivity industrial effluent porosity saturated hydraulic conductivity sodium adsorption ratio uniformity coefficient water storage water transport
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000262476000004
WOS关键词WASTE-WATER ; HYDRAULIC CONDUCTIVITY ; NEW-MEXICO ; VEGETATION
WOS类目Environmental Sciences ; Soil Science
WOS研究方向Environmental Sciences & Ecology ; Agriculture
来源机构New Mexico State University
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/159816
作者单位1.New Mexico State Univ, Dept Plant & Environm Sci, Las Cruces, NM 88003 USA;
2.New Mexico State Univ, Univ Stat Ctr, Las Cruces, NM 88003 USA
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Babcock, Michael,Shukla, Manoj K.,Picchioni, Geno A.,et al. Chemical and Physical Properties of Chihuahuan Desert Soils Irrigated with Industrial Effluent[J]. New Mexico State University,2009,23(1):47-66.
APA Babcock, Michael,Shukla, Manoj K.,Picchioni, Geno A.,Mexal, John G.,&Daniel, David.(2009).Chemical and Physical Properties of Chihuahuan Desert Soils Irrigated with Industrial Effluent.ARID LAND RESEARCH AND MANAGEMENT,23(1),47-66.
MLA Babcock, Michael,et al."Chemical and Physical Properties of Chihuahuan Desert Soils Irrigated with Industrial Effluent".ARID LAND RESEARCH AND MANAGEMENT 23.1(2009):47-66.
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