Identification and classification of weeds and wild plant in the newly reclaimed area at North-West the Nile Delta [Egypt]

africa afrique afrique du nord agentes nocivos anthropogenic soil types egipto egypt environment environnement facteur nuisible faune et flore sauvages injurious factors living resources malezas mauvaise herbe medio ambiente natural resources north africa plantas plante plants reclaimed soils recursos recursos naturales resources ressource ressource naturelle ressource vivante site factors soil types type de sol vida silvestre weeds wildlife