In April, ammonia production rose by 3% yoy, to 445,700 tons. Stirol increased ammonia output by 9% yoy, Azot Severodonetsk – by 19%, Dniproazot – by 1% and Rivneazot – by 10%. Odesa portside reduced production by 8%, and Azot Cherkasy – by 13%. In January-April, ammonia production rose by 1% from the same period a year ago to 1774 ths mt.