Wastewater and agriculture: The objective of this research is to analyze the management of wastewater and to propose options for improving its use in horticultural production systems in Ouagadougou, Burkina Faso. Surveys and physico-chemical analyses of soils and wastewater were conducted at eight sites. The study shows that most of the farmers are men and young people (about 75%) who use wastewater for their activities. These farmers are mostly illiterate...