Mortimer, A.M., Mazid, M.A. and Riches, Charles R. (2008) Long-term sustainability in weed management for direct seeding of rainfed rice. In: Riches, C.R., Harris, D., Johnson, D.E. and Hardy, B., (eds.) Improving agricultural productivity in rice-based systems of the High Barind Tract of Bangladesh. International Rice Research Institute, Los Banos, Laguna, pp. 67-78. ISBN 9712202291

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Abstract

Successful weed management for direct-seeded rice depends on herbicide use to protect crop yields from weed competition. In irrigated cropping environments,this has a tendency to lead to progressive changes in the weed flora toward intransigent competitive rice weeds. A four-year comparative study of direct seeding and transplanting in the Barind indicated that the weed flora was responsive
to an alteration in crop establishment method but that the composition of the target weed community under all methods had significant similarity. This is argued to be a consequence of seasonal variation in rainfall and flooding regimes. The implications for developing sustainable weed management practices with the use of early postemergence herbicides are discussed.

Item Type:	Book Section
Additional Information:	Taken from the Workshop: Improving agricultural productivity in rice based systems of the High Barind Tract, Bangladesh, March 4-5, 2006
Uncontrolled Keywords:	direct-seeded rice, High Barind Tract, Bangladesh, weeds, crop husbandry
Subjects:	S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture
Faculty / School / Research Centre / Research Group:	Faculty of Engineering & Science > Natural Resources Institute Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Related URLs:	Publisher Organisation
Last Modified:	28 Jan 2020 12:57
URI:	http://gala.gre.ac.uk/id/eprint/2132

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