Question: asking about fertilizer dose of knol-khol. 
Answer: please use recommended doses of fertilizer- compost 1.5 tone, urea 40 kg, ssp 50 kg and potash 10 kg per bigha of land. apply half of urea and full doses of ssp and mpo during the time of finel land preparation and remaing half should be broadcast after 30 days  of sowing.