Potential production modelling of the rice crop
1988
Balderama, O.F. | Jensen, J.R. (Isabela State Univ., Echague, Isabela (Philippines). Coll. of Engineering)
In this study, three rice cultivars namely: Suphanburi 1, RD23, and RD7 were grown to establish their potential production parameters in a Bangkok plain environment and compute the dry matter accumulation rate of using a simple potential production model developed by H. Van Keulen in 1986. Calculation of potential production was determined by the parameters established in this experiment such as leaf area index, specific leaf area, total dry matter, and partitioning factors. From these, the potential production in terms of dry matter accumulation were found to have an average growth rate of 201.3, 187.97, and 173.76 kg/ha/day for RD23, RD7, and Suphanburi 1, respectively. The computed values were reasonably close to the actual observation at 166.67, 164.30, and 160.71 kg/ha/day for RD23, RD7 and Suphanburi 1, respectively.
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