Normal view MARC view ISBD view

Assessment of nickel geochemical fractions and availability in calcareous soils [electronic resource].

By:

Nasseem, M. G

Contributor(s):

Language: English Summary language: Arabic Description: p.348-361Other title:

تقدير الصور الجيوكيميائية للنيكل وتيسرها فى الاراضى الجيرية [Added title page title]

Uniform titles:

Journal of the advances in agricultural researches, 2013 v. 18 (2) [electronic resource].

Subject(s):

Online resources:

Full Text Article.

In: Journal of the Advances in Agricultural Researches 2013.v.18(2)Summary: Mehlich (Mehlich-3), Sultanpour (AB-DTPA) and Lindsay (DTPA) as multinutrients extractants have been used to determine the available Ni in soil. However, the element fraction extracted by these methods are not known. In the present study, fifteen calcareous soils, collected from the north western coast of Egypt, representing a wide range of physical and chemical properties including total Ni content, were analyzed by sequential extraction technique to isolate five fractions of nickel, which are (water soluble, exchangeable, carbonate bound, Fe-Mn oxide bound and organically bound fractions. The residual fraction of Ni was estimated by subtracting the sum of the five Ni fractions from total Ni. The amounts of total Ni in soils varied from 7.84 to 64.8 mg/kg. The available amounts of Ni were chemically extracted by Mehlich-3, AB-DTPA and OTPA extractants. The ranking of these three extractants for Ni extraction was Mehlich-3 >AB-DTPA>DTPA.

Average rating: 0.0 (0 votes)

No physical items for this record

Includes references.

Mehlich (Mehlich-3), Sultanpour (AB-DTPA) and Lindsay (DTPA) as multinutrients extractants have been used to determine the available Ni in soil. However, the element fraction extracted by these methods are not known. In the present study, fifteen calcareous soils, collected from the north western coast of Egypt, representing a wide range of physical and chemical properties including total Ni content, were analyzed by sequential extraction technique to isolate five fractions of nickel, which are (water soluble, exchangeable, carbonate bound, Fe-Mn oxide bound and organically bound fractions. The residual fraction of Ni was estimated by subtracting the sum of the five Ni fractions from total Ni. The amounts of total Ni in soils varied from 7.84 to 64.8 mg/kg. The available amounts of Ni were chemically extracted by Mehlich-3, AB-DTPA and OTPA extractants. The ranking of these three extractants for Ni extraction was Mehlich-3 >AB-DTPA>DTPA.

Summary in Arabic.

There are no comments on this title.

to post a comment.