questions: asking about the varieties and fertilizer dose of mustard . 
 answers: advised him to select varieties like ts-36, ts-46, ts-29,ts-48, varuna etc. apply urea 8 kg, ssp 30 kg, mop 3 kg, borax 1.5 kg per bigha at the time of last land preparation. after 30 days of sowing again top dress urea 8 kg per bigha.