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Comparative Evaluation of Direct Dry-Seeded and Transplanted Rice in the Dry Zone of Karnataka, India

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Relation http://oar.icrisat.org/10514/
 
Title Comparative Evaluation of Direct Dry-Seeded and Transplanted Rice in the Dry Zone of Karnataka, India
 
Creator Soriano, J B
Wani, S P
Rao, A N
Sawargaonkar, G L
Gowda, J A C
 
Subject Karnataka
Water Resources
 
Description Sustaining yield and economic stability of direct dry-seeded rice needs to be considered before setting
into large scale adoption of the emerging rice production system in the dry zone areas of Karnataka
state, India. The study was aimed at comparing direct dry-seeded and transplanted systems of rice
cultivation with the participation of farmers concerning rice growth, yield, water productivity,
and economic returns. Samba Mahsuri (BPT 5204) rice cultivar was used in the two-year farmer
participatory field study conducted at Raichur district of Karnataka. The rice grain yield, harvest
index, 1,000-grain weight, and above-ground biomass did not differ among direct dry-seeded and
transplanted rice systems. Results of this study indicated that higher grain yield with direct dry-seeded
rice can be achieved by using rice cultivars that can produce more productive tillers plus longer
panicles and not necessarily high biomass. Irrigation water use for direct dry-seeded rice is lesser
by around 46% compared with transplanted rice due to dry cultivation during land preparation
and flush irrigation at early crop growth stages. Grain yield of direct dry-seeded rice, which was
comparable to that of transplanted rice and with higher water productivity, indicates that this system
can be more attractive to rice farmers in the dry zones. Slight reduction in grain yield (5%) with
direct dry-seeded rice compared to transplanted rice was compensated by 44-48% lower production
cost, resulting in significantly higher net returns by US$ 230 ha-1 (23%) compared to transplanted
rice. The benefit-cost ratio was significantly higher in direct dry-seeded rice by 69%. Considering
usual drought and unstable water supply situations in the dry zones, it is anticipated that farmer
adoption of direct dry-seeded rice system will be increased due to the benefits of greater profitability,
better grain yield of improved cultivars, and higher water productivity.
 
Date 2018-03
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/10514/1/Comparative%20Evaluation%20of%20DDSR%20%20TPR.pdf
Soriano, J B and Wani, S P and Rao, A N and Sawargaonkar, G L and Gowda, J A C (2018) Comparative Evaluation of Direct Dry-Seeded and Transplanted Rice in the Dry Zone of Karnataka, India. Philippine Journal of Science, 147 (1). pp. 165-174. ISSN 0031 - 7683