That's nonsense. Zimbabwe (like the famous Weimar republic, by the way) had a extreme fall in the real productive capacity of the economy (1). Inflation was going to happen nevertheless the monetary policy they adopted.

(1) - http://bilbo.economicoutlook.net/blog/?p=3773

Nope, the fall in capacity followed the destruction of the currency and the end of the rule of contract law.

Googling briefly it seems

>Food production halved in the 1990s as a result of [Mugabe's] decision to strip white farmers of their land and hand it to members of the black population who, in many cases, had no farming experience.

before the inflation kicked off. https://news.sky.com/story/how-zimbabwes-economy-has-collaps...

Same brilliant policy in Venezuela pretty much.