Definitions for "Green Manure"
Keywords:  plowed, manure, rye, crop, ploughed
A crop grown and ploughed under to improve the soil.
A crop that is ploughed into the soil while it is still green and growing, to improve soil fertility.
A crop (such as rye grass) that is grown and then incorporated into the soil to increase soil fertility or organic matter content. Usually turned over into the soil a few weeks before new planting begins.