Results 141 to 150 of about 2,335 (182)

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
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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
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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 ...
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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
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Bio-optical properties of the middle Volga at 2023

Fundamental and Applied Hydrophysics
The presented paper opens a series of articles devoted to studies of the bio-optical characteristics of the Volga waters in the context of creating regional bio-optical models accounting the transformation of the water optical properties from north to south.
A. A. Molkov, I. A. Kapustin, A. V. Ermoshkin, G. V. Leshchev, D. V. Dobrokhotova, E. S. Koltsova, B. V. Konovalov, A. N. Drozdova, N. A. Bogatov, A. M. Chushnyakova, A. G. Kirillov   +10 more
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Seeding alfalfa with smooth brome in the Middle Volga region

Кормопроизводство, 2023
Селекционную работу с люцерной изменчивой (Medicago × varia Mart.) проводили в 2019–2022 годах на полях лаборатории агротехнологии ФНЦ ЛК ОП «Пензенский НИИСХ». Цель исследований — изучить и выделить по комплексу хозяйственно ценных признаков образцы люцерны в смеси со злаковым компонентом (кострецом безостым), перспективные для возделывания в ...
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Pigmy moths (Lepidoptera, Nepticulidae) from the Middle Volga Basin

Entomological Review, 2013
Fifty-seven species of the family Nepticulidae were found in the Middle Volga Basin. The family includes four genera: Bohemannia Stainton, 1859 (1 species), Ectoedemia Busck, 1907 (15), Stigmella Schrank, 1802 (38), and Trifurcula Zeller, 1848 (3 species). The mines made by pigmy moth larvae are very specific in the study area.
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Logistics of vegetables and potatoes in the Middle Volga region

Kartofel` i ovoshi
Уникальное географическое расположение Среднего Поволжья способствует интеграции региона в важные транспортные маршруты, что открывает новые возможности для увеличения объемов перевозок картофеля и овощей, а также расширения экспортного потенциала региона.
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COLLEMBOLA (HEXAPODA: COLLEMBOLA) OF THE MIDDLE VOLGA BIOSPHERE RESERVE IN ADDITION TO THE FAUNA OF THE MIDDLE VOLGA REGION © 2025 Yu.B. Shveenkova

ТРУДЫ ЖИГУЛЁВСКОГО ЗАПОВЕДНИКА
Сообщества коллембол исследовали в 1999–2021 гг. в двух регионах европейской части России в лесостепной зоне Среднего Поволжья (заповедник «Приволжская лесостепь» и нацпарк «Самарская Лука», окрестности Жигулёвского заповедника). Было выявлено 13 видов, новых для науки, в том числе 5 из них обнаружены в окрестностях Жигулевкого заповедника ...
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Pedodiversity of Subboreal Ecosystems under Contrasting Geogenic Factors (Case Study of Samarskaya Luka, Middle Volga Region, Russia)

Geosciences (Switzerland), 2022
Evgeny Abakumov, Evgeniy Abakumov
exaly