questions: farmer want to know about fertilizer dose in potato crop? 
 answers: apply 15 t/ha of fym and 2 kg each of azospirillum and phosphobacterium as basal and 120 kg n, 240 kg p and 120 kg k/ha in two splits; half as basal and the balance for top dressing on 30 days after sowing.  apply magnesium sulphate at 60 kg/ha as basal dose