A new species of rice in the country, Thai rice varieties kok
47 history. Rice varieties kok 47 from mixing between 3 self-pollinating of Suphanburi 1 with IR64 lead mixed with CNT86074-25-9-in-1 Rice Research Center at chainat the napi 2539 (1996) cultivated age 1 in the selection of planting 2540 (1997) napi since age 2. The 3, Rice Research Center, planting rice, chainat qualifying age 4-5 at the Rice Research Center, Phitsanulok, since the naprang 2542 (1999) naprang season planting season varieties and study 2542 (1999) naprang rice research center of Phitsanulok 2543 (2000) The napi 2544 (2001)-2545 (2002) then import compares the rice research center of Phitsanulok station production costing. Rice Rice Research Center and chainat, Lopburi Rice Research Center. In the napi-2546 (2003) 2551 (2008) Chainat, kamphaeng Phet, Nakhon sawan, sing buri, uttaradit, pichit varies from season to season, 2548 (2005) 2551 (2008) napi naprang output test and acceptance of agriculture since the napi naprang 2549 (2006) 2551 (2008) season in Phitsanulok, Sukhothai, uttaradit, pichit kasatrakrechangwat, NA. Nakhon sawan and chainat, Suphanburi, uthai Thani Output stability test in the Rice Research Center at 2550 (2007) napi Phitsanulok Ubon Ratchathani, Muang, pathum Thani, suphan buri and Surin v. phatthalung. The Committee considered species. Department of rice. The name kok 47 to guide the farmers to plant. On September 28, 2010
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