questions: asking about control measure of stem borer 
 answers: recommended to spray tricel 20 ec @2ml/l water at nursery
apply fertiliser urea@9kg, ssp@17kg, mop@9kg per bigha of land 3-4 days before transplanting
seedling treatment : tricel 20 ec@2ml/l water and urea @10gm/l water . dip the seedling root portion and keep it for 3 hours. then take out and let dry in shade and transplant. this will reduce the incidence of stem borer , gall midge and caseworm in the main field