Influence of tillage systems on weed seedling emergence pattern in rainfed rice

Chauhan, B. S. and Johnson, D. E. (2009) Influence of tillage systems on weed seedling emergence pattern in rainfed rice. Soil and Tillage Research, 106 1: 15-21. doi:10.1016/j.still.2009.10.004

Author Chauhan, B. S.
Johnson, D. E.
Title Influence of tillage systems on weed seedling emergence pattern in rainfed rice
Journal name Soil and Tillage Research   Check publisher's open access policy
ISSN 0167-1987
Publication date 2009
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.still.2009.10.004
Open Access Status
Volume 106
Issue 1
Start page 15
End page 21
Total pages 7
Place of publication Amsterdam, The Netherlands
Publisher Elsevier BV
Collection year 2010
Language eng
Subject 1102 Cardiovascular Medicine and Haematology
1111 Nutrition and Dietetics
1904 Performing Arts and Creative Writing
Abstract Differences in weed seedling emergence patterns due to agronomic practices, such as tillage, have implications for weed competition and weed management strategies. The effect of different tillage systems, including conventional tillage, minimum tillage and zero-tillage, on the emergence pattern of different weed species was evaluated in a field experiment in the wet (rainfed) seasons of 2007 and 2008. In both years, seedling emergence of Digitaria ciliaris, Echinochloa colona, Eleusine indica, Ageratum conyzoides, Eclipta prostrata and Portulaca oleracea was greater in zero-tillage compared with either conventional or minimum tillage where the seedling emergence was similar. The emergence of Rottboellia cochinchinensis was not influenced by the tillage system. Tillage had different effects on Mimosa pudica emergence in the two seasons. The results will facilitate improved decision making with respect to the timing of weed control and contribute to the development of integrated weed management practices for dry seeded, rainfed rice.
Keyword Conventional tillage
Minimum tillage
Seedling emergence
Zero till
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Queensland Alliance for Agriculture and Food Innovation
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