List of Articles ساختار کانوپی Open Access Article Abstract Page Full-Text 1 - Vertical leaf area and dry matter distribution in potato canopy in response to weed competition M. R. Haj seyed hadi Gh. Noormohamadi M. Nasiri Mahalati H. Rahimi E. Zand Open Access Article Abstract Page Full-Text 2 - Corn leaf area variation under different durational interference of natural weed populations Saeed Reza Yaghoobi