http://2learnhow.com/story.php?title=what-is-the-production-process-of-npk-compound-fertilizer The production process of NPK compound fertilizer is an important process of making npk production line. The steps of npk fertilizer manufacturing process are as follows: Crusher, feeder, horizontal mixer, organic fertilizer granulator, dryer, cooler, screening machine, weighing packaging machine . Tue, 06 Dec 2022 02:38:55 UTC en