An Examination of the Ecological Effects of Pure and Mixed planting on the Production Grasses and the Living Place of Weeds Under the Dry Farming Condition Journal title: International journal of Advanced Biological and Biomedical Research Authors: Kamran Taznabi| Department of agriculture, Science and Research Branch, Islamic Azad University, Teh... Subject(s): Biological Sciences, Biochemistry, Microbiology, Molecular Biology, Anatomy, Physiology