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(Article of periodic en Anglais - 2015)

Document title

Enrichment ratio of poorly crystallized iron mobilized with clay/silt-sized particles released via interrill erosion

Authors(s) and Affiliation(s)

RIENZI E.A. (1) ; MATOCHA C.J. (1) ; GROVE J.H. (1) ; WENDROTH O. (1) ; FOX J.F. (2) ;
(1) College of Agriculture, Plant and Soil Sciences, Univ. of Kentucky, Lexington, ETATS-UNIS
(2) College of Engineering, Civil Engineering, Univ. of Kentucky, Lexington, ETATS-UNIS

Abstract

Soils under no-tillage (NT) and a moldboard plow tillage system (MT) were exposed to a field rainfall simulation to determine the soil poorly crystalline iron release during interrill erosion. Two different soils (Calloway silt and Maury silt loam) were exposed to different kinetic energy wettings to evaluate the temporal clay/silt sized release, the variation of the enrichment ratio for poorly crystalline iron (ERFe) and the total poorly crystalline iron delivered (TID). The clay/silt sized particles release was continuous and independent of soil texture. It is highlighted that : Temporal iron enrichment of clay/silt-sized particles depends on water submergence; Iron extreme values depend on new sources of iron inside soil aggregates; Soil cover cannot avoid soil iron loses as determined by enrichment ratio of particles

Source

Article of periodic

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2015, vol. 124 [pp. 130-137]

Bibliographic references : 66 ref.

Collation : 5 fig., 3 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2014.09.017

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2014
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