questions: asking about cultural practices of cole crops 
 answers: recommended to prepare seed bed of width 1 metre with convenient lenght. raise the bed to 15 cm heihgt.
drench the seed bed with captan or formalin @ 2gm/l water completely against any diseases
treat the seed with thiram or captan @ 3gm/kg of seed.
spray malathion 5% against any pest 
age of the seedling must be 30 days