Grain yield (kg/ha)  
Varieties                         
  D1-10 June   D2-20 June   D3-30 June   Mean  
  2010 2011 2012 2010 2011 2012 2010 2011 2012 2010 2011 2012
Karma Mahsuri 5170 4559 6358 4870 4220 5885 3341 3505 5608 4460 4095 5950
MTU 1010 4789 3796 5446 4167 3339 5356 3163 3253 4847 4040 3462 5216
Mahama ya 4726 3790 6258 5156 3632 5181 4352 3554 4758 4744 3659 5399
Mean 4895 4048 6021 4731 3730 5474 3619 3437 5071 4415 3739 5522
  Dates   Varieties   DX V        
SEm ± 116 78 131 116 78 131 201 135 227      
CD (P=0.05) 348 233 393 348 233 393 603 NS NS      
CV (%)             7.9 6.24 7.13      
Table 1: Grain yield (kg/ha) of rice varieties as influenced by different sowing dates