The P forms and fixation capacity of seven representative soils in Akwa Ibom State were evaluated. Total P varied widely from as low as 79 mg kg−1 to as high as 1410 mg kg−1 with the values decreasing with depth in some of the soils. Organic P also varied from 5 to 434 mg kg−1 decreasing generally with depth and accounting on the average for 24.0% of the total P. The C/P ratios which influence the mineralization of organic P were generally low, being below 200 in most of the soils. The relative abundance of the active P fractions were in the order of Fe-P > Al-P > Ca-P > Sal-P in all the soils excepting those derived from shale and river alluvium where Ca-P was more abundant. Inactive P fractions or reverted P accounted for between 27 and 62% of total P. On the basis of the relative contents of reverted P in the soils, it has been inferred that soils derived from coastal plain sands and sandstone parent materials