questions: asking about fertilizer requirement for potato.  
 answers: please use the recommended doses of chemical fertilizer- urea-19kg, ssp- 45 kg and potash- 12 kg and compost 2tonne per bigha of land. compost should be apply during the time of final land preparation and remaining chemical fertilizer  should be apply in furrow zone and cover with soil and then pototo tuber should be sow.