Results 181 to 190 of about 23,661 (228)

Invasive and potentially invasive plants of the Middle Volga region

Russian Journal of Biological Invasions, 2017
The article presents a list of invasive and potentially invasive plants in the flora of the Middle Volga region (in Samara oblast and Ulyanovsk oblast) for the first time. The list includes 59 species distributed in groups according to their activity, features of interaction with native species, and the nature of occupied habitats.
Sergey Saksonov
exaly   +2 more sources

Nutmeg pears in the Middle Volga region

Pomiculture and small fruits culture in Russia, 2022
The aim of the study was to breed highly adaptive pear varieties that combine high ripeness, nutmeg flavor, as well as long-term fruit keeping during storage. In the Research Institute of Horticulture and Medicinal Plants «Zhigulevskie Sady», work on breeding pear varieties with nutmeg flavor was started by S. P.
A. A. Kuznetsov, O. V. Blednykh, G. N. Tanova   +2 more
openaire   +1 more source

The Industrial Nodes of the Middle Volga

Soviet Geography, 1967
AbstractA typology of industrial nodes based on such economic factors as the use of local or long-haul raw materials, the importance of the national market for each node's finished products, the level of industrial employment, electrification of production processes, output per unit of capital investment, and labor productivity.
Yulian G. Saushkin, Anatoliy S. Shcherbakov   +1 more
openaire   +1 more source

AVIFAUNISTIC TYPOLOGATION OF CITIES IN THE MIDDLE VOLGA REGION

Treshnikov readings – 2022 Modern geographical global picture and technology of geographic education, 2022
The article deals with the issues of the current state of the bird fauna of cities and urban settlements in the Middle Volga region. On the basis of data on the species composition, the number of nesting species, ecological features and other parameters of the bird population, an avifaunistic typology of urban settlements is presented.
Ilgizar I. Rakhimov, Marat A. Zaynullin, Nikita E. Ignashev   +2 more
openaire   +1 more source

Gully Erosion Zoning in the Middle Volga Region

Почвоведение, 2023
The article presents a new scheme of zoning of modern gully erosion in a large region of the Russian Federation. Automated landscape zoning by means of artificial neural networks was carried out in order to determine the natural and anthropogenic conditions for the development of the gully network.
R. A. Medvedeva, O. P. Yermolaev
openaire   +1 more source

Liming chernozems of the middle volga forest steppe

Russian Agricultural Sciences, 2008
The dependence of spring wheat grain yield and quality on soil reaction, provision of plants with nitrogen nutrition, hydrothermic conditions of the growth period, and genotypic characteristics of the variety is shown on the basis of long-term investigations. The high effectiveness of liming is established.
E. V. Nadezhkina, T. B. Lebedeva, S. Yu. Sharkova, S. M. Nadezhkin   +3 more
openaire   +1 more source

TAXATION OF PRIVATE FARMS IN THE MIDDLE VOLGA REGION

Vestnik of Kazan State Agrarian University, 2014
Much of the food and funds for the building industry went through taxes. During the thirties, private farms were subject to a rather complicated system of taxes. They can be divided into several groups: natural (tax for meat supply, milk, potato and wool), money (insurance, self-taxation, cultural duty, agricultural tax), indirect (loans for the ...
Farid Guseynov, null Гусейнов, Kirill Zhichkin, null Жичкин   +3 more
openaire   +1 more source

Middle Permian cephalopods of the Volga-Ural Region

Paleontological Journal, 2014
A diverse assemblage of Kazanian nautiloids and ammonoids from two localities in the Kirov Region and the Mari El Republic is studied and described for the first time. The biostratigraphic potential of the cephalopod assemblage, and its ecological and taphonomic affinities, are analyzed. Twenty nautiloid species (of which 18 are new) and eight ammonoid
I. S. Barskov, T. B. Leonova, O. P. Shilovsky   +2 more
openaire   +1 more source

Alien Species in the Flora of the Middle Volga Region

2018
The article presents information on the diversity and structure of the alien flora of the Middle Volga region on the border between the steppe and forest-steppe zones of the European botanical and geographical province. In the studied area, we identified 440 alien species of plants (24.6% of the total floristic diversity), including 59 invasive and ...
Senator, S. A., Vasjukov, V. M., Saksonov, S. V., Novikova, L. A., Vorontsov, D. O.   +4 more
openaire   +2 more sources

Ivan Lepyokhin’s Expedition to the Middle Volga

Archaeology, Ethnology & Anthropology of Eurasia, 2019
the 18th-century expeditions from the Academy of Sciences aimed at colonizing new territories, especially eastern, exploring their landscapes, natural resources, and inhabitants. The article focuses on the team working in the Cheremshan basin. The description of findings is arranged in five sections, following Lepyokhin’s classification: landscape ...
openaire   +1 more source