List of Articles Production Factors Open Access Article Abstract Page Full-Text 1 - Evaluation of changes in total productivity of rice production factors in Iran, an experimental analysis based on Farperimont index. hesmat ollah gholizadeh shahriyar Nasabian reza moghaddasi alireza amini Open Access Article Abstract Page Full-Text 2 - The Effect of Irrigation Water Salinity and Other Production Factors on Potato Crop yield in Hamadan – Bahar Plain Moein Sadeghi Seyed Mohsen Seyedan