Rice harvest age for high yield and quality
2000
Santipracha, W. | Rithsawaeng, S. (Prince of Songkla Univ., Songkhla (Thailand). Faculty of Natural Resources. Dept. of Plant Science)
Harvest age of rice for high yield, milling quality and seed quality was studied at Phattalung Rice Research Center. Rice cultivars RD 7 and Suphanburi 90 were planted and harvested with sickle and krae (panicle cutting blade) at 30, 35, 40 and 45 days after anthesis. For both cultivars, harvesting at seed maturity stage, 30 days after anthesis when the seed had 20 percent moisture, gave highest yield, milling quality and seed quality. Harvesting with sickle yielded higher than harvesting with krae. Yield loss from delayed harvesting was due to the reduction of panicle/square m and seed/panicle. Delayed harvesting at 5-10 days after seed maturity was the stage of the highest loss of rice yield and milling quality.
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