questions: query regarding nutrient management in bottle gourd. 
 answers:  please apply fertilizer urea 30 gram, super 70 gram and potash 40 gram per pit in ring method 20-25 cm away from the plant at 15 cm depth.  at flower bearing stage please spray one vitamin like- biovita/ mohaphol/ sagorika 2ml per liter at 15 days interval in the evening time.