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Optimizing Seedling Number and Hill Spacing: A Way Forward to Harness Productivity Potential of Salt-Tolerant Rice Cultivars in Salt-Affected Soils

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Title Optimizing Seedling Number and Hill Spacing: A Way Forward to Harness Productivity Potential of Salt-Tolerant Rice Cultivars in Salt-Affected Soils
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Creator Yash Pal Singh,
VINAY K MISHRA
Ravindra Kumar Gupta
 
Subject Crop productivity Hill spacing Salt-affected soils Salt-tolerant varieties Seedlings hill-1
 
Description Not Available
Harnessing the potential of sodic soils in the Indo-Gangetic plains necessitates the development of salt-tolerant varieties and matching management practices as the management practices required for rice production in salt-affected
soils are entirely different from those in normal soils. Field experiments with the main plots comprising two treatments T1:2 seedlings and T2:4 seedlings hill-1, subplot three hill spacing treatments S1: 15 x 15 cm, S2: 15x 20 cm, S3: 20 cm x 20 cm and sub–subplot with two salt-tolerant varieties V1: CSR 36, V2: CSR 43 were conducted at the Indian Council of Agricultural Research-Central Soil Salinity Research Institute (ICAR-CSSRI), Regional Research Station, Lucknow, Uttar Pradesh, India, during 2011, 2012 and 2013 kharif seasons to develop matching management practices for salt-tolerant varieties through optimizing the number of seedlings hill-1 and hill density to enhance productivity and profitability in saltaffected soils. The experiment was set up in split plot design replicated thrice. The results revealed that transplanting of 4 seedlings hill-1 at a hill spacing of 15 cm 9 20 cm proved better crop establishment and produced significantly higher grain yield over rest of the treatments. Planting of 4 seedlings hill-1 resulted in higher gross and net returns than planting of 2 seedlings hill-1. Transplanting of CSR 36 with 4 seedlings hill-1 at a hill spacing of 15 9 20 cm found superior in terms of grain yield, gross and net returns over CSR 43 with rest of the spacing treatments.
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Date 2019-10-19T07:38:24Z
2019-10-19T07:38:24Z
2019-04-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/23627
 
Language English
 
Relation Not Available;
 
Publisher Not Available