Question: query regarding nutrient deficiency in ridge gourd 
Answer: for jika-----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.