Adoption of legume inoculation can substantially reduce the use of nitrogenous fertilisers. If 95% of the areas in the Philippines currently sown to soybean, mungbean and peanuts were inoculated, some $A7 million worth of nitrogen fertiliser per cropping would be saved. Other benefits would follow including the saving of energy and reduced pollution of waterways and groundwater systems. Despite encouraging results, inoculant usage in the Philippines is very limited. The purpose of this small project is to determine the most suitable local carrier material for legume inoculants and to introduce a comprehensive quality control system for inoculants in the Philippines. In addition, the project aims to determine the most suitable methods of introducing improved strains of rhizobia for soybean and mungbean into field soils, to optimise the survival of rhizobia during transport and on seed, and to demonstrate the selected method(s) to extension workers and farmers.