The Soil Microbiology Unit started in 1981 as an Inoculant Production Facility under the (then) Department of Animal Husbandry at Serbithang. The unit produced Rhizobium inoculants for pasture legumes. With the onset of restructuring within the Ministry of Agriculture, the IPU was transferred to the National Plant Protection Centre (NPPC) at Semtokha where inoculant production continued. In 1999 the unit was relocated to NSSC and thereafter has been fully engaged in the NSSC programs.
A research officer trained at the University of Reading, UK heads the unit and two senior technicians support him.
The Unit has the following capabilities to: