Results 81 to 90 of about 4,188 (168)

BEHAVIOR OF MINERALS IN AGRO SODDY PODZOLIC SOILS RESULTED FROM DIFFERENT RATES OF ORGANIC FERTILIZERS

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2014
The experimental results showed the impact rendered by different rates of organic fertilizers in the kind of poultry excrements on crystallochemical parameters of minerals containing in the fine-dispersed fractions (less than 1, 1-5, 5-10 mkm).
N. P. Chizhikova   +2 more
doaj   +1 more source

On the biology of the East Asian seed beetle Megabruchidius dorsalis (Fåhreus, 1839) (Coleoptera: Chrysomelidae: Bruchinae), an adventive species for Ukraine

open access: yesZoodiversity, 2020
Results of studying the biology of the East Asian seed beetle Megabruchidius dorsalis (Fåhreus, 1839) (Chrysomelidae: Bruchinae) in the laboratory and field conditions of Kharkiv Region are presented.
I. P. Lezhenina, Yu. V. Vasilieva
doaj   +1 more source

Gravitational Wave Bursts from Collisions of Primordial Black Holes in Clusters

open access: yes, 2010
The rate of gravitational wave bursts from the mergers of massive primordial black holes in clusters is calculated. Such clusters of black holes can be formed through phase transitions in the early Universe.
A. Cattaneo   +15 more
core   +1 more source

Dynamics of humus in field crop rotations on drained lands

open access: yesАграрная наука Евро-Северо-Востока
The purpose of the research is to study the influence of different types of field crop rotation, fertilizers, drainage and hydrothermal conditions on the dynamics of humus in reclaimed soil.
Yu. I. Mitrofanov, N. K. Pervushina
doaj   +1 more source

ESTIMATE OF CHERNOZEM ERODIBILITY LEVEL ACCORDING TO THE HUMIFICATION DEGREE

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2015
A short review of literature sources is presented to characterize the eroded soils according to their humus content. Traditional diagnostic indicators of the soil erodibility level based upon the humus status are the following: (1) decrease in the ...
B. M. Kogut
doaj   +1 more source

Globalization of twisted partial actions

open access: yes, 2010
Let A be a unital ring which is a product of possibly infinitely many indecomposable rings. We establish criteria for the existence of a globalization for a given twisted partial action of a group on A.
Dokuchaev, M., Exel, R., Simón, J. J.
core   +2 more sources

The effect of agricultural background and drained landscape on productivity and economic efficiency of spring wheat grain production

open access: yesЗерновое хозяйство России
The current study was conducted in 2021–2024 to identify the effect of the agricultural background and conditions of the drained agricultural landscape on productivity and economic efficiency of grain production of the spring wheat variety ‘Zlata’ within
M. V. Rublyuk, D. A. Ivanov
doaj   +1 more source

Sandy soils and the state of afforestation in the zone of intense deflation in Ukraine

open access: yesНаукові праці Лісівничої академії наук України, 2019
It is shown that excessive plowing of land caused an intensive erosion processes and, as a result, degradation of soil cover in Ukraine. The most effective way of slowing down and preventing soil degradation is to optimize the ratio of arable land to ...
Svitlana Raspopina
doaj   +1 more source

REGULARITIES IN ACCUMULATION, LOSS AND RETURN OF WATER AND CHEMICAL SUBSTANCES DURING THE WATER EXCHANGE IN SOIL

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2014
The experimental studies permitted to determine the ratio between infiltration and transpiration of the ground water in a soddy podzolic soil, that accounts for 0.3-0.6 under dried conditions of atmospheric moistening, 2.6-2.9 as an average value for ...
N. A. Muromtsev   +3 more
doaj   +1 more source

Spatial-Functional Architecture and Evolution of Soils Within the Anthropogenically Transformed Steppe Landscape in Central Russia

open access: yesПочвознание, агрохимия и екология, 2011
Four stages Науе been identified in the steppe landscape anthropogenically transformed into the recent agro-forest landscape (Kamennaya Steppe, Voronezh region) since the end of the 19th century what serves аs evidence of trend in evolutional ...
N. В. KHITROV   +3 more
doaj  

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