Which of the following forage crops is used to replenish nutrients in a rangeland?

A.

Panicum maximum

B.

Imperata cylindrical

C.

Axonopus compresus

D.

Calopogonium mucunoides

Correct answer is D

Cover crops like Calopogonium mucunoides are planted to manage soil erosion, soil fertility, improve its quality, increases water infiltration, while also controlling weeds and pests. Basically, cover crops are grown and not harvested.