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- Title
Nutrients and Nonessential Elements in Soil after 11 Years of Wastewater Irrigation.
- Authors
Pereira, B. F. Faria; Zhenli He; Stoffella, Peter J.; Montes, Celia R.; Melfi, Adoipho J.; Baligar, Virupax C.
- Abstract
The article presents a study which examines the ionic speciation (ISP) of reclaimed wastewater (RWW) and potential effects of 11-year of irrigation with RWW on the quality of soil equated with well-water (WW) irrigation. Most of nutrients in RWW are readily available for plant uptake and are free ionic species, while more than around 80% of aluminum (Al), lead (Pb), chromium (Cr) and copper (Cu) are complexed with organic matter. The study shows that the RWW irrigation increased the total concentrations and availability of nonessential elements and nutrients, sodicity and soil salinity by two to three times equated with WW-irrigated soils.
- Subjects
SEWAGE; IRRIGATION; SOIL quality; PLANT nutrients; ALUMINUM in soils; LEAD; COPPER in agriculture; SOIL salinity; IRRIGATED soils
- Publication
Journal of Environmental Quality, 2012, Vol 41, Issue 3, p920
- ISSN
0047-2425
- Publication type
Article
- DOI
10.2134/jeq2011.0047