Open Access Research Paper Views (1036) Effects of rate of phosphorus fertilizer on crop growth and yield in rice-soybean intercropping system Uwuigbe Edith Ugochukwu, Oroka Frank Oke Int. J. Biosci. 18(4), 29-37, April 2021. DOI: http://dx.doi.org/10.12692/ijb/18.4.29-37 Keywords: Ammonium phosphate, Competition ratio, Intercropping, Rice, Soybean Details