What is the diffenence between compos manure and simple or green manus?

Green manure is also known as cover crop grown to add nutrients in the soil. When any crop like Wheat, Bajra is harvested then green manure crops are grown to increase the organic matter & nutrients in the soil. These are grown for a short period of time. Some common examples of green manure are leguminous plants like- clover and soya beans.

Compost is the organic matter produced by natural decomposition of materials like yard trimmings, wood chips, paper products and other materials. It provides nutrients to the soil that are essential for plant growth and development.