EVALUATION IMPACT OF SOIL ORGANIC MATTER AND CALCIUM CARBONATE IN SOIL AVAILABILITY PHOSPHORUS QUANTITY IN THE SOUTHERN PART OF BABYLON BY GIS USING . Iraqi Journal of Agricultural Research, [S. l.], v. 23, n. 2, p. 55–65, 2018. Disponível em: https://ijarmoa.gov.iq/index.php/ijar/article/view/5. Acesso em: 18 sep. 2026.