Evaluation of the Efficacy of Some Plant Extracts as an Alternative to Chemical Weedicides in Controlling on Cyperus rotundus L
Two experiments were carried out during the summer season, 2016, in the green house / Department of Biology/Collage of Education, Samarra University, to evaluate the activity of three aqueous extract of leaves of Nerium (Nerium oleander L.),olives (Olea europaea.L) and castor (Ricinus communis.L), on control of tuber germination and growth of seedl