compost tea
n.— «Applications of a manure or compost “tea” every week or so, once the stems have begun to bulb out, helps a lot. Put a couple of shovelfuls of manure or compost in a burlap bag and let is soak in several gallons of water for about three days. Draw off the muddy liquid and add more water until it has the appearance of light tea. Then feed it to the young plants.» —“Sturdy Kohlrabi finds its way to table in many ways” by Peter Tonge in Weymouth Christian Science Monitor (Boston, Massachusetts) July 11, 1980. (source: Double-Tongued Dictionary)