A field experiment was conducted during 2001-2003 to evaluate the effect of water stress on the yield and yield components of four rice cultivars commonly grown in Mazandaran province, Iran. In northern Iran irrigated lowland rice usually experiences water deficit during the growing season include of land preparation time, planting, tillering stage, flowering and grain filing period. Recently d...

Sagitaria trifolia, Alisma plantago-aquatica and Echinochloa spp. are among the most important damaging weeds in paddy fields. In this research, Alternaria pellucida was isolated from the weeds and then its pathogenicity effects was examined on these weeds and five other rice cultivars, including two bred (Sepidroud and Khazar) and three landraces (Ali Kazemi, Hashemi and Binam), in a completel...

The North-Eastern Caucasus, which includes the territories of modern Chechen Republic and Dagestan, is one oldest centers manufacturing economy in Old World. development productive forces production relations over several millennia, expressed vivid monuments material culture, starting from Kura-Araxes Eneolithic inevitably led to socio-political evolution society, emergence early forms statehoo...

Artificial neural networks (ANNs) have many applications in various scientific areas such as identification, prediction and image processing. This research was done at the Islamic Azad University, Shahr-e-Rey Branch, during 2011 for classification of 5 main rice grain varieties grown in different environments in Iran. Classification was made in terms of 24 color features, 11 morphological featu...

The article discusses the presence in middle reaches of Seversky Donets River Khazar burials carried out by rite cremation, which are known upstream river, within forest-steppe. Previously, only such burial ground this, steppe, territory was considered "burial 2" archaeological complex Mayaki. In recent years, discovery three more necropolises steppe zone has been announced. mapping complexes n...

in order to determination of partitioning n fertilizer by using of leaf color chart (lcc) and chlorophyll meter (spad) in rice an experiment was conducted as split plot under randomized complete block design with three replications during 2006 and 2007 at rice research institute of iran. main plots were contained cultivars in three levels (grh1, khazar and hashemi) and sub plots were contained ...

Fish are often infected with different blood protozoa of the genera Babesiosoma, Trypanosoma, and Hemogrigarina. These parasites match which infect mammals. A total 120 samples from five fish species (Barbus grypus, Barbus sharpyi, Liza abu, Carasobarbus luteus, Aspius vorax) were collected Khazar River in Ninevah Governorate, Iraq at weekly intervals during period April 2022 to October for det...

Khazarprovide Iran with an excellent geopolitical position, while Iran's "antdomination policy" not only deprive it from these privileges but alsobring some serious security challenges for it. U.S. engagement in vasteconomic, military and political undertakings in this region is one of majorthreat for Iran's vital interests. I'm going to argue here that majordifficulty in the way of consisting ...

â â â  the geographical territory of caucasia includes areas which have been referred to, in various forms, in geographical, historical and even literary texts. studies on the history of caucasia in different eras show that not only this region was not originally called by this name, but, later on, this name was not used for what is now modern caucasia. studies show that each part of caucasia w...

rice bran sterols have antioxidant activity as well as physiological and biological effects. because of these benefits, the aim of this study is evaluating the quantity and quality of iranian rice bran sterols. three widespread iranian rice cultivars (khazar, hashemi, and alikazemi) were used for determination of their sterol contents. two methods of sample preparation were compared and the bet...