List of Articles yields Open Access Article Abstract Page Full-Text 1 - Diastereoselective Synthesis of Stable Phosphorus Yields by a Three-Component Reaction between Ph3P and Acetylenic Esters in the Presence of Hydrazine Derivatives Safa Ali-Asgari Seyyed Javad Hosseini Khalil Pourshamsian Mohammad Bagheri Ehsan Naghizadeh Open Access Article Abstract Page Full-Text 2 - The Effect of OPEC Statements on Fluctuations in Crude Oil Prices Fariba Shahbodaghlou Aliasghar Esmaeilnia gatabi azadeh mehrabian ROYA SEIFIPOUR 10.30495/eco.2020.674206 Open Access Article Abstract Page Full-Text 3 - تعیین بهترین زمان برداشت برای دستیابی به بیشترین بازدهی اسانس و تیمول در آویشن باغی Thymus vulgaris L در شرایط اصفهان امین هادی پناه احمدرضا گل پرور عبدالله قاسمی پیربلوطی حسین زینلی Open Access Article Abstract Page Full-Text 4 - Wheat yield prediction modeling by soil properties: a case study in North-west of Iran Afshin Morovvat Mostafa Emadi Mosa Shojae Ahmad Pakpour Leila Gholami Javad Haji Aghasi Ehsan Kamali Open Access Article Abstract Page Full-Text 5 - Nitrogen Management Options in Winter Rice under Boro- Fallow-T. Aman Cropping System AMINA KHATUN A.B.M. MOSTAFIZUR B. J. SHIRAZY A. SAHA M. S. KABIR Open Access Article Abstract Page Full-Text 6 - The effects of red root pigweed (Amaranthus retroflexus L.) interference on green bean (Phaseolus vulgaris L.) yield B. Mirshekari Open Access Article Abstract Page Full-Text 7 - Effects of Technology Development and Mechanization on Agricultural Production in Qazvin Province A. پرهیزکاری M. صبوحی