Response of Grain Protein Content to Nitrogen Topdress Rate at Panicle Initiation Stage under Different Growth and Plant Nitrogen Status of Rice
2007
Kim, M.H. (Seoul National University, Seoul, Republic of Korea) | Lee, K.J. (Seoul National University, Seoul, Republic of Korea) | Lee, B.W. (Seoul National University, Seoul, Republic of Korea), E-mail: [email protected]
As protein content of milled rice, generally used as a benchmark for rice eating quality, is greatly affected by N fertilization and nutrition status of rice plant, understanding its response to nitrogen rate and plant nitrogen status at different growth stage is important for recommending N fertilizer management for high quality rice production. The responses of milled-rice protein content were compared and quantified under various combinations of basal+tillering and panicle N application levels in 2001 and 2002. Protein content of milled rice was ranged from 6 to 9%, increasing significantly with increasing basal+tillering and panicle N rates.
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