The use of sunflower and COF gave stable yields in the first 2 years but decreased in the 3 year of usage. However ,sunflower and Commercial organic fertilizer yielded 12 to 15% higher than the unfeetilized plots. Generally , there was a decreasing trend was a drop of N and K during the mid-tillering stage of the rice plants.This would imply the need of integrating inorganic with organic materials to increase and sustain rice growth and grain yield.