BIS Norms for Common Bio-Fertilizers | Microbiology

The BIS means Bureau of Indian Standards. The BIS norms are also called 'Standards for Bio fertilizers' or 'Standards for Existence of Bio fertilizers', which are given below:- 1. Standards for Rhizobium (RI): IS 8268:2001 (i) Viable Cell Count: 108 Viable Rhizobium Cells/g of the Carrier within 15 day s of manufacture and 107 Cells/g of Carrier within 15 days [...]