The phrase "prolific producer" refers to someone or something that consistently and abundantly creates or produces a large amount or number of things in a particular field or area. Full definition
I'm sure he's a really nice fellow, and certainly prolific producer, but that's not ALL it's about, surely. (remonline.com)
The United States was the most prolific producer of neuroscience publications during the ten - year period, with European countries such as the United Kingdom and Germany also producing a significant quantity of manuscripts. (sciencedaily.com)
From a standing start, the Woking - based company is now the world's most prolific producer of carbonfibre - chassised road cars, a material that also underpinned the McLaren F1. (autocar.co.uk)