LODEX : sémantisation & visualisation

Site exemple

Title

Effects of a 20-year old Miscanthus x giganteus stand and its removal on soil characteristics and greenhouse gas emissions

Publication Year

2014

Author(s)
  • Dufosse, K.
  • Drewer, J.
  • Gabrielle, B.
  • Drouet, J-L
Source
BIOMASS & BIOENERGY Volume: 69 Pages: 198-210 Published: 2014
ISSN
0961-9534 eISSN: 1873-2909
Abstract

Miscanthus is a perennial rhizomatous C4 grass with high yield potentials and low nutrient needs, thus a promising candidate for the production of cellulosic biomass. While optimal management options and yields attainable on a commercial scale are still debated, no study has yet addressed its removal and potential effects on following crops. Here, we present results from a trial involving a 20-year old Miscanthus stand on i) soil C, N, P and K stocks, compared with an adjacent field cultivated with a rotation of annual arable food crops, ii) the greenhouse gases (GHG) emissions following the removal of Miscanthus and iii) the immediate short-term effects on the following land use (re-cultivation to wheat or set-aside). Compared to the adjacent field under annual crops, the Miscanthus plot had a larger soil organic C stock (by 13 t C ha(-1)) but a similar N stock, and lower P and K stocks (with differences of 100 kg P ha(-1) and 1170 kg K ha(-1), respectively). These losses imply that some degree of fertilization may be necessary as compensation. The effects of Miscanthus removal for the following wheat were significant on crop N content but negligible on grain yield. 1.5 t CO2 ha(-1) of CO2 were released after the Miscanthus removal and the N2O emissions increased from 150 g N2O-N ha(-1) to 493 g N2O-N ha(-1) during the following year. These results highlight the importance of investigation of the end-of-life stage of perennial crops for an accurate assessment of their environmental impacts. (C) 2014 Elsevier Ltd. All rights reserved.

Author Keyword(s)
  • Miscanthus x giganteus
  • Soil nutrients
  • Carbon storage
  • Removal
  • Greenhouse gas
  • Nitrous oxide
KeyWord(s) Plus
  • BIOMASS PRODUCTION
  • NITROGEN DYNAMICS
  • ORGANIC-MATTER
  • ENERGY CROP
  • CARBON
  • EUROPE
  • YIELD
  • FIELD
  • MITIGATION
  • MANAGEMENT
ESI Discipline(s)
  • Agricultural Sciences
  • Biology & Biochemistry
  • Engineering
  • Geosciences
Web of Science Category(ies)
  • Agricultural Engineering
  • Biotechnology & Applied Microbiology
  • Energy & Fuels
Adress(es)

[Dufosse, K.; Gabrielle, B.; Drouet, J-L] INRA, AgroParisTech, Environm & Arable Crops Res Unit, F-78850 Thiverval Grignon, France; [Drewer, J.] Ctr Ecol & Hydrol Edinburgh, Penicuik EH26 0QB, Midlothian, Scotland

Reprint Adress

Dufosse, K (reprint author), INRA Environm & Grandes Cultures, Route La Ferme BP 01, F-78850 Thiverval Grignon, France.

Country(ies)
  • France
  • United Kingdom
CNRS - Adress(es)

Error: empty list

Accession Number
WOS:000342250500021
uid:/JM72MWQN
Powered by Lodex 8.21.4