A split plot design with 3 replications was used each year. 4 in row spacing (20, 25, 30 and 35 cm) were assigned to the main plots and 3 seed size (small, medium and large) were assigned to the sub plots. Each sub-plots consisted of four rows having 5 m length and spaced 70 cm apart. Middle 2 rows in each plot were harvested by hand for determination of yield and yield components in 17 May 2006 and in 20 May 2007.