questions: query regarding dose of npk 19:19:19. 
 answers: spray npk 19:19:19 @ 10 gram/liter of water 2 times at 15 days interval in the evening time. after completion of this please spray one vitamins like- mohaphol/sagorika/biovita  @ 2 ml/liter of water at 15 days interval continously up to the end of the season.