questions: asking about mltinutrient application and sigatoka disease 
 answers: recommended to spray multinutrient mahaphal @ 2ml/l water at 10 days interval for 3 days
for disease apply bordeaux mixture : 100gm of lime in 5l water and another mixture of copper sulphate 100gm in 5l water. then pour the mixture in another bucket simultaneously and spray the mixture at 3 -5 days interval.
also dpray carbendazim or mancozeb @ 2gm/l water at 10 days interval for 3 days