I read somewhere that North Koreans use their poop to fertilize their fields.
With not enough food to go around and starvation a common condition, there probably isn't enough poop to do the job.
Maybe Kim Jong Un and his "elites" can chip in. Those guys are nice and plump and have proven to be full of shiite.
Garan Ball Barans the produce come out nice, fresh, green, and nutritious.
All that Lobster, crab, sashimi, steak, and escargot crap will do the trick.