Regulators approve phosphorous test for compost TOPICS:AAPFCOphosphorus Posted By: Ken McEntee August 19, 2021 By Ron Alexander Reprinted from the Compost Communicator, permission of… You must be a paid subscriber and logged in to view this content. To view this post, please go to the top menu and log in if you're a subscriber, or subscribe if you aren't. Please share this post to your social media