जैसे खाद , कम्पोस्ट , आदि its natural fertilizers who mixture structure of microrganism. its work is fication of enviromental nitrogen and unsoluble phasphoru s change in soluble phosphorus.exp-azolla , rhizobium , azotobacter
Entity: कम्पोस्ट — Type: /chemical_thing, /organization/company, /organization, /product