& Al-kafaje M. SOIL ORGANIC CARBON AND PHOSPHORUS STATUS AFTER COMBINED APPLICATION OF PHOSPHATE ROCK AND ORGANIC MATERIALS IN A GYPSIFEROUS SOIL*. Iraqi J. Agric. Sci. [Internet]. 2017 Dec. 17 [cited 2025 Jul. 4];48(Special). Available from: https://www.jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/246