questions: query related to dropping of bud in lemon. 
 answers: apply recommended dose of fertilizer: fym-20 kg, urea-1.5kg, super-2.5 kg, potash-1 kg per plant in 2 equal split dose, once in the month of september- october and once in the month of march-april in ring method, 15-20 cm depth and 50 cm meter away from the plant. and also spray planofix @ 1 ml/5 liter of water at 15 days interval at evening time in absence of rain.