Agronomic appliion of olive mill wastewater: Effects on .
WEBApr 15, 2016 · This study investigates the effect of direct amendment of olive mill wastewater (OMW) on the fertility of soil, described as poor in the area of Marrakech (semiarid region) in Morocco. The treated plots were amended with untreated OMW generated by a traditional extraction process at the amount of 1 .