Gatea Al-Shammary, A.A., Lahmod, N.R., Fernández-Gálvez, J. and Caballero-Calvo, A. 2023. Effect of tillage systems combined with plastic film mulches and fertilizers on soil physical properties in a wheat-agricultural site in southern Iraq. Cuadernos de Investigación Geográfica. 49, 2 (Apr. 2023), 51–63. DOI:https://doi.org/10.18172/cig.5544.