Ground up rock material doesn\u2019t usually appear on lists of compostable materials such as \u201cgreens\u201d (e.g., grass clippings, hedge trimmings) and \u201cbrowns\u201d (e.g., fall leaves, wood chips), but volcanic rock dust is a sure-fire way to charge up the composting process.<\/p>\n
In this YouTube video, agronomist Rich Affeldt explains how to add mineral-rich volcanic rock dust to your compost bin:<\/p>\n