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RESPONSE OF SEEDLING AGE TO GROWTH AND YIELD OF BORO RICE (BRRI Dhan 50) UNDER SRI

paper-details
 
Author Name: Sudip Chakrabortty, S. Islam, P. K. Biswas, H. Mehraj and AFM Jamal Uddin
Research Area: Agricultural Science
Volume: 03
Issue: 02
Page No: 97-101
Emailed: 3
Total Downloads: 1168
Country: Bangladesh
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An experiment was conducted at Agronomy farm, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh from December 2011 to May 2012 to study the growth and yield of Boro rice (BRRI Dhan 50) as affected by seedling age under System of Rice Intensification (SRI). Experiment comprised four different aged seedling viz. A1: 12 days old seedling, A2: 14 days old seedling, A3: 16 days old seedling and  A4: 30 days old seedling following Randomized Completely Block Design with three replications. Maximum number of filled grain (101.0/panicle), 1000-grain weight (19.9 g), grain yield (5.1 tha-1), straw yield (5.1 tha-1), biological yield (10.2 tha-1) were found from A2 and minimum weed population (43.7/m2 at 30 DAT and 63.1/m2 at 60 DAT) was also found from A2. 14 days old seedling was found as best for yield of BRRI Dhan 50 under System of Rice Intensification.