Indian Journal of Agricultural Research

The study was conducted to determine the effect of spacing on morpho-physiological response of different T. Aman rice cultivars under coastal high land ecosystem. Assessment was done on plant height (cm), total tillers hill⁻¹, effective and non-effective tillers hill⁻¹, panicle length (cm), grains panicle⁻¹, unfilled spikelets panicle-1, total spikelets panicle⁻¹, 1000-grain weight (g), grain yield (t ha⁻¹), straw yield (t ha⁻¹) and harvest index of the selected rice cultivars. Interaction effect revealed that the variety BRRI dhan44 produced the highest grain yield (4.83 t ha⁻¹) at the spacing of 15cm−15 cm. The Variety BRRI dhan44 at low spacing (15 cm×15 cm) may be followed to get high yield in coastal high land ecosystem of Bangladesh.