PRODUCTION SOIL FERTILITY MAP of SHUHAIMIA REIGN USING GEOGRAPHIC INFORMATION SYSTEM TECHNOLOGY . Iraqi Journal of Agricultural Research, [S. l.], v. 24, n. 1, p. 85–99, 2019. DOI: 10.65814/ijar.2019.24.1.85-99. Disponível em: https://ijarmoa.gov.iq/index.php/ijar/article/view/341. Acesso em: 8 oct. 2026.