List of Articles Field management Open Access Article Abstract Page Full-Text 1 - Investigation of Affecting Factors on Soybean (Glycine max L.) Pod Abnormality in Gorgan Amir Mohtasham Amiri Mohhamad Reza Dadashi Abolfazl Faraji Open Access Article Abstract Page Full-Text 2 - Documenting production process and estimating the yield gap of Rice by comparative performance analysis (CPA) in Sari region Rozhin Sheykhei Hormoz Fallah Niknejad Niknejad Salman Dastan Davood Barari Tari