Question: asking about varieties and fertilizer requirement in potato.	

Answer: recommended varieties of potato- pukhraj,  kufri jyoti, kufri sinduri etc. 
fertilizer requirement- 19 kg urea, 60 kg ssp and 20 kg mop per bigha of land. apply 10 kg urea and 10 kg mop at the time of final land preparation and remaining after one month as a top dressing