Paper Title
Evaluation of A Forage Crop Nodulation in Arid and Semi-Arid Environment with Treated Waste Water Irrigation
Abstract
The introduction of a forage crop in some marginal soils located in four sites of Souss region, a semi-arid zone of
agricultural production in Morocco, was evaluated. The assay was performed using lupine, a nitrogen fixing and traditional
crop cultivated on soil samples collected from the four sites and irrigated with domestic treated wastewater. Soil samples of
the selected sites revealed globally sandy texture with neutral to alkaline pH (7,5 to 8,1). Seeds of tested lupine species
showed to harbor no pathogen but a high number of staphylococcus. Physico-chemical and microbial analyses performed
before usage of the treated wastewater indicate low levels of total suspended solids and nitrogen compounds in comparison
to the thresholds established by irrigation norms which are 10 mg/l and 30 mg/l respectively. Nodulation tests were positive
at 73%.
Keywords- Lupine, Nodulation, Plant-microbe interaction, Treated wastewater, Souss region