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    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
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Editor-in-chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2014 Vol.5(3): 260-264 ISSN: 2010-0264
DOI: 10.7763/IJESD.2014.V5.488

Zero Tilled Dibbled Sunflower Enables Planting Earlier and Harvests More in the Coastal Saline Area of Bangladesh

M. Harunur Rashid, Shama Nasrin, and Debabrata Mahalder
Abstract—Only transplanted Aman (T. Aman) rice is one of the major cropping sequences in the medium saline, irrigation water lacking area of the coastal Bangladesh which requires suitable succeeding crop with early planting in moist soil and to escape damage from the effect of storm surges and water logging due to rainfall in May. A field trial was conducted in 2012 to compare the early dibbled sunflowers in zero tilled soil with traditional tilled one after T. Aman rice. Sunflower was planted on four dates, 14 January (zero tillage in moist soil), 22 and 29 February and 5 March (tilled field at field capacity). Results indicated that dibbling on 14 January produced significantly taller plant, larger head and higher seed yield (3.06 t ha-1) than those of other planting dates (2.54 to 2.68 t ha-1). The farmers’ led validation of zero tilled dibbled sunflowers in the following year confirmed its earlier planting and higher productivity.

Index Terms—Agro-economic productivity, dates of sowing, saline soils, sunflower.

M. Harunur Rashid, Shama Nasrin, and Debabrata Mahalder are with the International Rice Research Institute, House No. 9, Road 2/2, Banani, Dhaka-1213, Bangladesh (e-mail: m.h.rashid@irri.org, s.nasrin@irri.org, d.mahalder@irri.org ).

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Cite:M. Harunur Rashid, Shama Nasrin, and Debabrata Mahalder, "Zero Tilled Dibbled Sunflower Enables Planting Earlier and Harvests More in the Coastal Saline Area of Bangladesh," International Journal of Environmental Science and Development vol. 5, no. 3, pp. 260-264, 2014.

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