introduction: soil organic matter is influenced strongly by vegetation cover and management, therefore it is proposed as the main indicator of soil quality and health. the changes in soil organic matter status occur much more rapidly in the labile pools than in organic c. thus, labile pools can be used as early indicators of changes in total organic matter that will become more obvious in the l...

human t-ceil lymphotropic virus, type 1 (htl v-i) is considered to be the causative agent of adult t-cell lymphoma/leukemia and spastic paralysis, and seems to be common in khorasan province. 300 blood samples from mashhadi and 180 from gonbadi blood donors were obtained (all samples from healthy subjects). serological screening was done by passive particje- agglutination test and confirmed by ...

In order to study the effects of three operations of rangelands on the properties of vegetation in rangelands, this research was conducted in Chaat Gonbad, Golestan province, Iran in 2004. Chaat area is located in 50 km of border road of Dashlibroun to Maravetappeh in North of Attract River (border of Iran and Turkmenistan). The Altitude is 70 m, annual rainfall is 170 mm and annual temperature...

BACKGROUND & OBJECTIVES Leishmaniasis is an endemic parasitic disease reported sporadically throughout Iran. Golestan province is one of the 17 zoonotic cutaneous leishmaniasis (ZCL) foci. In this study, ecoepidemiological characteristics of ZCL were investigated in Gonbad-e Kavus County, Golestan province of Iran. METHODS This cross-sectional study was carried out in three endemic villages a...

gorganrood river is one of the three main rivers in golestan province have a basic role in golestan water supply. to study gorganrood water quality and estimating maximum allowable pollutant, water quality data was used from 8 stations. purification of this river has been studied by two methods: statistical and experimental methods. each method showed that the gorganrood river at present condit...

khorram was primarily received as an introduction barley for low rainfall area- cold winter (lra-cw) with the pedigree of sfa02/3/rm1508/pro//w12269/4/hml-02 arabiabiad//er/apmicb92-0926-0ap-2ap-0ap from international center for agricultural research in the dry areas in the 2002-2003 cropping season. khorram cultivar was tested in the preliminary, advance yield trial and uniform regional yield ...

family muridae consists of eight genera and 28 species in iran. this family shows notable variability of karyological features. in this study, karyological data derived from 11 species of 7 genera of this family of iran are presented and compared with previously published accounts. the included species were: mus musculus musculus from gonbad (2n=40, fn=40) and birjand (2n=40, fn=38), rattus nor...