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Title

Suppression of soil nitrification by plants

Publication Year

2015

Author(s)
  • Subbarao, Guntur Venkata
  • Yoshihashi, Tadashi
  • Worthington, Margaret
  • Nakahara, Kazuhiko
  • Ando, Yasuo
  • Sahrawat, Kanwar Lal
  • Rao, Idupulapati Madhusudhana
  • Lata, Jean-Christophe
  • Kishii, Masahiro
  • Braun, Hans-Joachim
Source
PLANT SCIENCE Volume: 233 Pages: 155-164 Published: 2015
ISSN
0168-9452
Abstract

Nitrification, the biological oxidation of ammonium to nitrate, weakens the soil's ability to retain N and facilitates N-losses from production agriculture through nitrate-leaching and denitrification. This process has a profound influence on what form of mineral-N is absorbed, used by plants, and retained in the soil, or lost to the environment, which in turn affects N-cycling, N-use efficiency (NUE) and ecosystem health and services. As reactive-N is often the most limiting in natural ecosystems, plants have acquired a range of mechanisms that suppress soil-nitrifier activity to limit N-losses via N-leaching and denitrification. Plants' ability to produce and release nitrification inhibitors from roots and suppress soil-nitrifier activity is termed 'biological nitrification inhibition' (BNI). With recent developments in methodology for in-situ measurement of nitrification inhibition, it is now possible to characterize BNI function in plants. This review assesses the current status of our understanding of the production and release of biological nitrification inhibitors (BNIs) and their potential in improving NUE in agriculture. A suite of genetic, soil and environmental factors regulate BNI activity in plants. BNI-function can be genetically exploited to improve the BNI-capacity of major food- and feed-crops to develop next-generation production systems with reduced nitrification and N2O emission rates to benefit both agriculture and the environment. The feasibility of such an approach is discussed based on the progresses made. (C) 2015 Elsevier Ireland Ltd. All rights reserved.

Author Keyword(s)
  • Biological nitrification inhibition (BNI)
  • Climate change
  • Global warming
  • Nitrification inhibitors
  • Nitrous oxide emissions
  • Nitrogen use efficiency (NUE)
KeyWord(s) Plus
  • NITROGEN-USE EFFICIENCY
  • BRACHIARIA-HUMIDICOLA ROOTS
  • INHIBITION BNI
  • AGRICULTURAL SYSTEMS
  • NITRIFYING BACTERIA
  • CLIMAX ECOSYSTEMS
  • MODELING APPROACH
  • CEREAL PRODUCTION
  • ORGANIC-MATTER
  • SORGHUM
ESI Discipline(s)
  • Biology & Biochemistry
  • Molecular Biology & Genetics
  • Plant & Animal Science
Web of Science Category(ies)
  • Biochemistry & Molecular Biology
  • Plant Sciences
Adress(es)

[Subbarao, Guntur Venkata; Yoshihashi, Tadashi; Nakahara, Kazuhiko; Ando, Yasuo] Japan Int Res Ctr Agr Sci, Tsukuba, Ibaraki 3058686, Japan; [Worthington, Margaret; Rao, Idupulapati Madhusudhana] CIAT, Cali 6713, Colombia; [Sahrawat, Kanwar Lal] Int Crops Res Inst Semi Arid Trop, Hyderabad, Andhra Pradesh, India; [Lata, Jean-Christophe] Univ Paris 06, Univ Paris 04, Ecole Normale Super, UMR 7618,Inst EESParis, F-75230 Paris, France; [Lata, Jean-Christophe] Tomsk Polytech Univ, Inst Nat Resources, Dept Geoecol & Geochem, Tomsk 634050, Russia; [Kishii, Masahiro; Braun, Hans-Joachim] CIMMYT Int Maize & Wheat Improvement Ctr, Mexico City 06600, DF, Mexico

Reprint Adress

Subbarao, GV (reprint author), Japan Int Res Ctr Agr Sci, 1-1 Ohwashi, Tsukuba, Ibaraki 3058686, Japan.

Country(ies)
  • Colombia
  • France
  • India
  • Japan
  • Mexico
  • Russia
CNRS - Adress(es)
  • Institut d'écologie et des sciences de l'environnement de Paris (IEES), UMR7618
Accession Number
WOS:000351247300016
uid:/HPF5FKF3
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