List of Articles Plant organs Open Access Article Abstract Page Full-Text 1 - Using the IPSS Method in the Quantitative Recommendation of Nitrogen Fertilizer to Reduce Environmental Pollution Abdolkarim Ejraei rakhshan hakimelahi Open Access Article Abstract Page Full-Text 2 - Phosphorus concentration, accumulation, and allocation in stem elongation and anthesis growth stages in some crop and weed species of Gramineae arezoo abidi ebrahim zeinali afshin soltani abdolreza gharanjiki Open Access Article Abstract Page Full-Text 3 - Effect of organic and chemical fertilizers along with silicon application on morpho-physiological characteristics and yield of purple coneflower (Echinacea purpurea L.) Hasan Yahyapoor Yousof Niknezhad 10.2./jpps.2023.706908