in the present study karyotype of mazani river buffalo was studied in comparison with those of azeri buffalo populations from iran. blood samples were taken from ten (5 males and 5 females) mazani buffaloes and thirty (15 males and 15 females) azeri buffaloes. the mazani buffaloes belong to mazendaran province and azeri buffaloes belong to west and east azerbaijan and ardebil provinces. blood l...

soil characteristics is very important in water erosion processes. the present investigation was conducted in gully lands of ardebil province, iran, to assess the role of soil texture and structure on aggregate stability using wet sieve method. to achieve the study purposes, mean weighted diameter of aggregates was calculated, and its relationships with lime and clay percentages, sodium absorpt...

conclusions the results of this research have important implications regarding the attention of students’ counselors to meta-cognitive dimensions in order to prevent students’ tendency for addiction. results the rate of students’ addiction potential tendency can be predicted by having characteristics of their meta-cognition. it also appeared that among the five parameters of meta-cognition, the...

association of satellite rna with cucumber mosaic virus (cmv) leads to either attenuation or enhancement of the viral symptoms. for detection of the satellite rnas in iranian isolates of cmv, plant samples showing viral symptoms were collected from different farms in the provinces of east- and west- azerbayjan and ardebil. these samples were inoculated onto the experimental host plants in green...

in order to estimate the nutrient value of three dominant range species; festucaovina, trifolium montanum and alopecurus textilis via proximate analyses and gas productiontechnique, samples were collected in three stages during grazing period from 26th may to 1thseptember in six areas of sabalan mountain in north west of iran. results showed thattrifolium montanum as a legume had higher values ...