& Al-Robiaee A-J. EFFECT OF ACIDULATED ROCK PHOSPHATE LEVELS ON AVAILABILITY OF PHOSPHORUS AND COPPER IN SOIL AND GROWTH OF MAIZE. Iraqi J. Agric. Sci. [Internet]. 2017 Oct. 12 [cited 2024 Nov. 22];48(5). Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/343