questions: asking about the procedure for nursery raising for seedlings of knolkhol 
 answers: recommended to prepare seed bed of size 1.25 mt wide,15 cm height,7 mt length.spray formalin 40 ml/lit water on seed bed and cover it with banana leaves for 3 days.apply malathion dust.sow seeds uniformly and cover it till germination.transplant at the age of 45 days