hazelnut (corylus avellna l.) is one of the important nut crops in world. the harvesting ofhazelnuts is done either by hand or by manual or mechanical raking of fallen nuts in iran.common hazel is widely cultivated for its nuts, including in commercial orchards in europe,turkey, and iran. there are some genotypes of hazelnut in iran that their growing areas arelimited to gillan, aredbil, mazand...

The impact of rainwater on the microbial quality of a tropical freshwater reservoir through atmospheric wet deposition of microorganisms was studied for the first time. Reservoir water samples were collected at four different sampling points and rainwater samples were collected in the immediate vicinity of the reservoir sites for a period of four months (January to April, 2012) during the North...

Today’s, a common problem in cities is increasing delay and reducing the speed of traffic. On the other wise increasing costs of acquisition in urban area are not allow new routes and highways. Also construction of new highway or street such as Imam Ali highway and Sadr highway in Tehran lead to develop new applications (such as BRT lane ,…) And become quickly saturate and less eff...

Creating sustainable bioeconomies for the 21st century relies on optimizing the use of biological resources to improve agricultural productivity and create new products. Arbuscular mycorrhizae (phylum Glomeromycota) form symbiotic relationships with over 80% of vascular plants. In return for carbon, these fungi improve plant health and tolerance to environmental stress. This symbiosis is over 4...

cultivar of roses (rosa spp.) has been grown in greenhouses in qazvin region of iran for local markets. agrobacterium tumefaciens strains were isolated and identified from six different samples of roses plants imported from the netherland to iran. during august and september of 2012, nearly 2-5% of rose plants in two different greenhouses in the province of qazvin were observed with crown gall ...

The treatment of patients with Helicobacter pylori infection has many limitations, especially because antibiotic resistance. We aimed to investigate the prevalence and mechanism resistance metronidazole clarithromycin in H. isolates collected from gastrointestinal symptoms Qazvin, Iran. In this cross-sectional study, susceptibility testing was performed among 80 clinical strains isolated pylori...