Use of Sewage Sludge Treated with some Stabilizers in Reducing Nickel Availability in the Soil and Absorption by Plants

Gomah, Hala H.; Elgharabley, G. A.; Haridy, A. G.; Ahmed, Amna A.M.

doi:10.21608/ajas.2018.17157

	Use of Sewage Sludge Treated with some Stabilizers in Reducing Nickel Availability in the Soil and Absorption by Plants
Assiut Journal of Agricultural Sciences
Article 10, Volume 49, Issue 3, September 2018, Page 117-127 PDF (356.01 K)
Document Type: Original Article
DOI: 10.21608/ajas.2018.17157
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Authors
Hala H. Gomah¹; G. A. Elgharabley¹; A. G. Haridy²; Amna A.M. Ahmed¹
¹Soil and Water Dept., Faculty of Agriculture, Assiut University
²Vegetables Dept., Faculty of Agriculture, Assiut University
Abstract
Sewage sludge was treated with some Ni stabilizers including silica gel (Si), cement by- pass (CB) and iron oxide (FO) to reduce its availability in the soil, and absorption by onion plants (direct effect) in the first season and Jew's mallow plants (residual effect) in the second season. A loamy sand soil was amended only before the first season with sewage sludge treatments including 10 and 20% Si, CB and FO treated sludge as well as Si + CB, Si + FO and CB + FO treated ones.
Keywords
Nickel; Sewage Sludge; Stabilization; Heavy metals; residual effect


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