This document provides an overview of organic farming techniques, including the use of organic manures, composting methods, green manuring, and biofertilizers. It describes various organic manure sources like farmyard manure and composts. It discusses technologies for quicker compost production using compost accelerators and enriching compost with nitrogen-fixing and phosphate-solubilizing microorganisms. The document also covers the importance of green manures for supplying nutrients to soils and crops, listing suitable leguminous and non-leguminous green manure plants. Finally, it defines and classifies different types of biofertilizers used in organic farming to fix atmospheric nitrogen and solubilize soil