questions: query regarding fruit cracking in litchi. 
 answers: spray napthalene acetic acid (naa) @ 1g/10 liter of water 2 times at 15 days interval. also apply recommended dose of fertilizer: urea 100 g, super 250 g, potash 125 g, mustard oil cake 2 kg and wood ash 4 kg once in the month of february march.