Abstract
An experiment was conducted to examine the physiological and growth parameters of various rice (Oryza sativa.L.) varieties under irrigated conditions in the Raipur plain during kharif season 2023-24. The research focused on key metrics including crop growth rate (CGR), absolute growth rate (AGR), net assimilate rate (NAR), and relative growth rate (RGR) to evaluate the performance of different rice varieties in this region. Results showed significant variation among the rice varieties in their growth and physiological responses. Varieties with higher CGR and AGR demonstrated superior biomass accumulation and overall growth performance. Those with elevated NAR and RGR exhibited more efficient conversion of assimilates into plant biomass, reflecting better productivity. The findings underscore the importance of selecting rice varieties based on their growth metrics and physiological efficiency under specific irrigated conditions.
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