questions: asking about the varieties and fertilizer dose of potato. 
 answers: advised him to select varieties like kufri jyoti, kufri megha, kufri chnadramukhi, s-1 puskar, pokhraj etc. apply urea 10 kg, ssp 45 kg, mop 12 kg per bigha at the time of last land preparation.after 30 days or at the time of first earthing up apply another 10 kg urea per bigha.