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Please use this identifier to cite or link to this item: http://krishi.icar.gov.in/jspui/handle/123456789/43194
Title: Management of drought in sali rice under increasing rainfall variability in the North Bank Plains Zone of Assam, North East India
Other Titles: Not Available
Authors: Prasanta Neog
Pallab K. Sarma
Debashis Saikia
Palakshi Borah
Girindra Nath Hazarika
Manoj Kr Sarma
Digambar Sarma
G. Ravindra Chary
Ch. Srinivasa Rao
ICAR Data Use Licennce: http://krishi.icar.gov.in/PDF/ICAR_Data_Use_Licence.pdf
Author's Affiliated institute: ICAR::National Academy of Agricultural Research and Management
Published/ Complete Date: 2020-02-01
Project Code: Not Available
Keywords: Seasonal drought
Sali rice
Dry spells management
Alternate variety
TREND
AGRICULTURE
ADAPTATION
Publisher: CLIMATIC CHANGE; SPRINGER; VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS; DORDRECHT
Citation: Not Available
Series/Report no.: Not Available
Abstract/Description: The intermittent dry spells during growing season of winter or sali rice, cultivated in NBPZ of Assam located in the foothills of Eastern Himalayan region, is a major weather risk causing widespread damage to the crop. Herein, variability of rainfall in Lakhimpur district situated in NBPZ was studied. A significant decreasing trend of annual and seasonal rainfall was observed. Significant decrease in monsoon rainfall and increase in monthly rainfall variability clearly explains the recent rainfall fluctuations with increasing frequency of intermittent dry spells and flash floods. A participatory evaluation trial was conducted in Chamua village of Lakhimpur district having different land situations to identify climate resilient technologies to cope with seasonal drought in sali rice. High-yielding short-duration varieties, viz., Dishang, Luit, Lachit and Kolong, and medium-duration varieties, viz., Basundhara, Mohan, Mulagabhoru and TTB-404 performed consistently better than the long-duration HYV or the traditional varieties under upland and medium land situations, respectively. Though the effect of dry spells on long-duration varieties cultivated on low lands was least, yield of these varieties reduced up to 43.07% when sowing was delayed beyond 23rd of June. Performance of the delayed sown varieties was further declined, when exposed to dry spells at later growth stages. However, adverse impact of dry spells can be managed effectively by replacing farmers' varieties with short and medium-duration high-yielding varieties in upland and medium lands, respectively, and manipulating sowing time of long-duration varieties for low lands.
Description: Not Available
ISBN: Not Available
ISSN: 0165-0009
Type(s) of content: Article
Sponsors: Not Available
Language: English
Name of Journal: Climatic Change
NAAS Rating: Not Available
Volume No.: 158 (3-4)
Page Number: 473-484
Name of the Division/Regional Station: Not Available
Source, DOI or any other URL: http://dx.doi.org/10.1007/s10584-019-02605-4
PubMed id: Not Available
Web of Science ID: WOS:000514535000012
URI: http://krishi.icar.gov.in/jspui/handle/123456789/43194
Appears in Collections:AEdu-NAARM-Publication

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