questions: asking about the recommended fertilizer dose for knol khol 
 answers: suggested that recommended fertilizer dose is like-urea@22.5 kilogram/bigha,ssp@50 kilogram/bigha,mop@13 kilogram/bigha,fym@2 quintal/bigha.half dose of urea and full doses of ssp and mop, fym should be applied at the time of land preparation and remaining urea should be top dressed 20-25 days after planting