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(Article of periodic en Anglais - 2014)

Document title

Distribution of nitrifiers and nitrification associated with different sizes of aggregates along a 2000 year chronosequence of rice cultivation

Authors(s) and Affiliation(s)

XIN X. (1) ; LIU Q. (2) ; LIU W. (1) ; JIANG X. (1) ; WRIGHT A.L. (3) ;
(1) College of Resources and Environment, Southwest Univ., Chongqing, CHINE
(2) Inst. of Soil Science, CAS, Nanjing, CHINE
(3) Everglades Research & Education Center, Univ. of Florida, Belle Glade, ETATS-UNIS

Abstract

Soil aggregation, distribution patterns of ammonia-oxidizing bacteria (AOB) and ammonia oxidizing archaea (AOA) associated with different sizes of aggregates, and nitrification were studied for sites, located in Cixi, Zhejiang Province, under a 300 and 2000 year duration of rice cultivation (P300 and P2000). Long-term rice cultivation improved large macroaggregate formation from silt + clay fractions. The highest net nitrification occurred for macroaggregates and the least for large macroaggregates, which coincided with nitrifier populations. A long duration of intensive rice cultivation history depressed nitrifier populations and nitrification rates at both whole soil scale and aggregate scale

Source

Article of periodic

published at : Catena / ISSN 0341-8162

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

Millesime : 2014, no119 [pp. 71-77]

Bibliographic references : 1 p.

Collation : 4 fig., 2 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2014.03.012

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