Karimnagar: Drone rentals rise as farmers adopt nano urea amidst urea crisisFacing a severe urea shortage, farmers in Karimnagar are queuing overnight at fertiliser shops and increasingly turning to nano urea as an alternative. While most farmers continue to face hardships, some are turning to nano urea as an alternative. Earlier ignored despite appeals from agriculture officials, nano urea is now gaining acceptance due to the shortage of conventional urea. “There are more benefits in using nano urea compared to urea. 242, a half-litre bottle of nano urea is priced at Rs.150.