Question: asking about control measure of chlorosis and flower dropping of pumpkin

Answer: spray npk @ 5-6 g per lit of water,  2 sprays at 15 days interval
spray rogor @ 2 ml per lit of water, 3 sprays at 4 days interval 
spray planofix @ 1 ml in 5 lit of water, 2 sprays at 15 days interval