Phospho-compost was prepared by composting varying amounts of low grade rockphosphate (PR) with mixture of different kinds of farm waste. All the levels of PR incorporation increased the loss of organic matter during the time of composting but maximum loss (41.1%) was found with the mixing of 1 kg PR per 3.65 kg waste on a dry weight basis. The water soluble P2O5decreased with increasing the amount of PR while organic and citrate soluble P2O5increased significantly. The higher level of PR (2.5 kg per 3.65 kg dry waste) reduced the concentration of both organic and citrate soluble P. Phospho-compost prepared by enrichment with 1 kg PR per 3.65 kg waste was found to be as good as single superphosphate in micro-plot field experiments taking moongbean and wheat as the test crops.