In
agriculture,
green manure is created by leaving uprooted or mown crop parts to wither on a field so that they serve as a
mulch and
soil amendment. The plants used for green manure are often
cover crops grown primarily for this purpose. Typically, they are ploughed under and incorporated into the
soil while green or shortly after flowering. Green manure is commonly associated with
organic farming and can play an important role in sustainable annual cropping systems.