medics are native to semi-arid areas around the mediterranean sea and have long been used in degraded pastures in the region. annual medics are now widely distributed throughout the world, largely in areas with mild, rainy winters and alkaline soils. this study was conducted at a site located in the north east of golestan province (55° 57´ e, 37° 48´ n), on a silty clay loam soil in 2002 and 20...

spiders are poorly studied in iran, based on the latest studies the spider fauna of iran includes 394 species in 126 genera belonging to 36 families. considering the climatic and geographical variation of iran, it can be assumed that iran has a rich spider fauna compared to the adjacent countries. the present study seeks to take a new step in the ongoing active research of iranian spider fauna....

leishmania infantum, an etiologic agent of zoonotic visceral leishmaniasis (vl), is spreading in iran. dogs are the main reservoirs but l.infantum has been detected in jackals, foxes and wild rodents too. despite high number of rodents in the world, the exact role of them in epidemiology of vl is not clear. in recent years the number of sporadic cases of dogs and humans vl has been increased in...

in the present study, the tangrah region located in the vicinity of golestannational park was selected for exploring the changes in the amount of the secondaryessential of hypericin in hypericum perforatum in different highlands of the easterngolestan province. the aerial flowered parts of the herb were collected randomly and inthree replications from four altitudes of 300 m, 600 m, 900 m, and ...

the how and why of tehran development and construction of its citadel has always been of interest to researchers. at the same time, issues such as its time of obtaining importance and prosperity on the one hand, and establishing and appellation of its citadel as the most important official complex of the qajar period on the other, are among the concerns mostly ignored by the scholars. addressin...

background: hepatitis c virus (hcv) is one of the main causative factors of liver disease which can lead to chronic hepatitis c infection in 80% of cases. hcv genotypes have a special worldwide geographic distribution. the goal of the present study was to detect hcv genotypes in patients with anti-hcv positive titers in golestan province, iran. materials and methods: in this cross-sectional stu...

chickpea (cicer arietinum l.) is a dry pulse crop commonly used from old time. the chickpea yield is lower as compared to maximum potentials of the cultivars. the gap could mainly be attributed to the weed competition in addition to other production constraints. although chickpeas are traditionally grown on residual soil moisture, weeds competition pose major problem in many situations. in orde...

background: infection with helicobacter pylori might be related to chronic gastritis, peptic ulcer and gastric adenocarcinoma. given the high prevalence of helicobacter infection in our region, this study was designed to determine the age trend of helicobacter pylori contamination in golestan province in 2008. materials andmethods: this cross-sectional descriptive study was carried out on 1028 ...

studying of climatic elements  are one of the most important factors   influencing on agricultural crops  production and developing of agriculture activities in every region that led to increasing production . by studying of agro climatology  can be determined potential facilities in different areas  and used optimum of  facilities . this research was established  by determining  temperature po...

one of the superficial problems of public health is mycotic inflection that its incidence is not correctly known. the most important disease of them is dermatophytosis that comes through by dermatophytes as the major group of keratinophilic fungi. honey is bee product that has been used as a medicine since ancient times in many cultures, and is still used in folk medicine. this study was design...