& Al-Hadethi, Al-Kubissi. 2016. “EFFECT OF PARTIALLY ACIDULATED ROCK PHOSPHATE ON GROWTH AND YIELD OF MAIZE IN A CALCAREOUS SOIL COMPARED WITH SOME TRADITIONAL PHOSPHATE FERTILIZERS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 47 (1). https://doi.org/10.36103/ijas.v47i1.634.