List of Articles Essence yield Open Access Article Abstract Page Full-Text 1 - Competitive Effects of Lambsquarters (Chenopodium album) on Growth Parameters, Seed Yield and Essential Oil of Fennel (Foeniculum vulgare) بهرام Mirshekar Open Access Article Abstract Page Full-Text 2 - Effects of Mycorrhizal Symbiosis along with Vermicompost and Tea Compost on Quantity and Quality Yield of Mentha aquatic L. Mostafa Koozehgar Kaleji Mohammad Reza Ardakani Naser Khodabandeh Mojtaba Alavi Fazel Open Access Article Abstract Page Full-Text 3 - The effects of nitrogen source and amount on growth, chlorophyll, oil, and essence contents of black cumin (Nigella sativa L.) Ahmad Abdolzadeh Yash Gin Valipoor Chahardahcheriki Farshid Ghaderi-Far Open Access Article Abstract Page Full-Text 4 - Evaluate the effect of plant growth promoting rhizobacteria (PGPR) and nitrogen fertilizer on yield and some agronomic and physiological traits of medicinal plant of Peppermint (Mentha piperita L.) سعید حکم علی پور Open Access Article Abstract Page Full-Text 5 - Effect of drought stress and salicylic acid on morphological characteristics and essence yield of Dill (Anethum graveolens L.) nader omidvar mona dastori abdolraza jafari Open Access Article Abstract Page Full-Text 6 - Effect of common lambsquarters (Chenopodium album) interference on growth period, chlorophyle content, leaf senescence and yield of marigold (Calendula officinalis) B. Mirshekari Open Access Article Abstract Page Full-Text 7 - The effect of sowing date, plant density and different levels of nitrogen on the growth traits and rate of essence in medicine safflower Hasan Tahmasbizadeh Hamid Madani GHolamreza Naderi Broujerdi