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Optimum N-fertilization Level for Quality Rice Production in the Southern Alpine Area of Korea  

Kim, Sang-Su (Honam Agricultural Research Institute, NICS, RDA.)
Choi, Weon-Young (Honam Agricultural Research Institute, NICS, RDA.)
Nam, Jeong-Kwon (Honam Agricultural Research Institute, NICS, RDA.)
Lee, Jun-Hee (Honam Agricultural Research Institute, NICS, RDA.)
Back, Nam-Hyun (Honam Agricultural Research Institute, NICS, RDA.)
Park, Hong-Kyu (Honam Agricultural Research Institute, NICS, RDA.)
Choi, Min-Kyu (Honam Agricultural Research Institute, NICS, RDA.)
Kim, Chung-Kon (Honam Agricultural Research Institute, NICS, RDA.)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.51, no.spc1, 2006 , pp. 30-34 More about this Journal
Abstract
The effect of N-fertilization on yield, milling characteristics and quality of Samcheonbyeo, an early maturing rice variety, was investigated in 2002 to 2004. The study was carried out in the southern alpine area of Un-bong Sub-Station, Honam Agricultural Research Institute. Higher nitrogen levels increased number of panicle and grain per unit area, but lowed ripening rate and decreased 1,000-grain weight. Higher nitrogen levels of up to 90 kg/ha also increased head rice yield. A nitrogen level of 90 kg/ha was found optimal for increasing ripening rate and head rice yield, and rice palatability.
Keywords
rice; nitrogen level; rice quality; head rice yield;
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