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KMID : 1134820090380060721
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Journal of the Korean Society of Food Science and Nutrition
2009 Volume.38 No. 6 p.721 ~ p.726
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Comparison of Mineral Contents of Three Rice Varieties under Different Cultural Practices
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Hwang Hye-Rim
Kim Kyoung-Hee
Lee Jeong
Chung Chong-Tae
Lee Jae-Chul
Choi Jong-Jin
Chun Jong-Pil
Yook Hong-Sun
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Abstract
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The objectives of this study were to analyze mineral contents of three rice varieties (Josangheugchal, Heugjinjubyeo and Dongjinchalbyeo) under three different cultural practices: five transplanting time (May 15, May 25, June 4, June 14, and June 24), five harvest times (30, 40, 50, 60, and 70 days) and N-fertilization levels (0.0, 4.5, 9.0, 13.5, and 18.0 ㎏/10a). Mineral contents of Josangheugchal were increased by late transplanting time with increased nitrogen level; however, it was not significantly different by harvest time. Heugjinjubyeo did not show significant difference in three cultivations. Mineral contents of Dongjinchalbyeo increased at the transplanting time of May 25 and June 14 and according to late harvest time. Also mineral contents of Dongjinchalbyeo that did not show significant difference except for calcium according to different nitrogen levels.
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KEYWORD
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mineral, rice quality, transplanting time, five harvest time, N-fertilization level
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