The aim of this study was to examine the symbiosis relationshipbetween some arbuscular mycorrhizal fungi (AMF) and Salsola laricina (Chenopodiaceae), a non-mycotrophic plant speciesand its effect on improving plant growth parameters. Initially, the development of AMF density was monitored through two parameters including evaluation of mycorrhizal colonization of plant roots and density measurem...

introduction: the purpose of this study was formulation and preparation of a proper culture medium for saccharomyces cerevisiae var. boulardii with molasses and animal serum. methods: a fully-crossed factorial design contain 5%, 10% and 20% of molasses (m) with 0, 1% and 5% animal serum (s) was used in this study. the ph of all culture medias were adjusted to 5.6 with acetic acid. the seed was ...

a basic subject in economy is change in growth of population and it’s link to ‎other variables. if growth in population is consistent with other economic ‎circumstances, it would lead to economic growth, otherwise it would be ‎problematic. by using okun's law and population structures, this paper is ‎analysis the case for iran for 1974-2010. predictions are related to 2025 ‎horizon. the re...