List of Articles Open Access Article Abstract Page Full-Text 1 - Effect of plant growth promoting rhizobacteria , foliar application of amino acids and silicic acid on yield and yield components of wheat under drought stress D. Habibi Open Access Article Abstract Page Full-Text 2 - Evaluation effects of different temperature levels and duration on seedling growth of five rice varieties A. Fallah M. Abdi Najad Kshtly H. Elyasi Open Access Article Abstract Page Full-Text 3 - The effects of planting date and plant density on rice in Mazandaran province S. Moradpour E. Amiri H. R. Mobasser H. Madani Open Access Article Abstract Page Full-Text 4 - Determination the Sensitivity of Different Growth Stages of Five Maize Hybrids to Drought Stress C. Mansourifar A. Fallah S. H. Hossein Zade Open Access Article Abstract Page Full-Text 5 - The study of biological manure effect on decreasing demand chemical fertilizer in Hyssopus officinalis L N. Nemati A. Pazoki GH. Naderi S. Taherabadi Open Access Article Abstract Page Full-Text 6 - Effect of irrigation intervals, manure and zeolite traits of agronomical and yield of potato varieties Agria V. Yarmohammadi N. Sajedi M. Mirzachani