Growth, Yield and Grain Quality of Rice Affected by Application of Crab Shell, Sericite Ore, and Charcoal Powders
2005
Lee, S.S. (Yeungnam University, Gyeongsan, Republic of Korea), E-mail: [email protected] | Lee, M.J. (Yeungnam University, Gyeongsan, Republic of Korea) | Kim, B.J. (Yeungnam University, Gyeongsan, Republic of Korea) | Hong, S.B. (Asia University, Kyungsan, Republic of Korea)
An experiment was conducted to know the effects of crab shell, sericite ore, and charcoal powders on the growth, yield, and grain quality of rice. After application of 110-40-57 kg/ha of N-P₂O∧5-K₂O, 3,000 kg/ha of crab shell and charcoal powders and 5,000 kg/ha of sericite ore powder were applied and incorporated into soil before transplanting of rice seedlings. The number of tillers and panicles, leaf area index at heading stage, N concentration of plants, and protein content and chalkiness of rice grains were increased with the application of crab shell powder, while the percentage of ripened grains and head rice and Toyo taste value were decreased.
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