List of Articles Yield reduction Open Access Article Abstract Page Full-Text 1 - Distribution and estimating fruit yield reduction in the commercial olive cultivars (Olea europaea L.) due to verticillium wilt in Guilan province Mahmoud HOSHYASR-FARD Hoshyasr-Fard Open Access Article Abstract Page Full-Text 2 - The effect of nitrogen rates on wheat morphological traits and grain yield in different irrigation conditions Sadegh Shahrasbi Yahya Emam Hadi Pirasteh-Anosheh