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Wyświetlanie 1-3 z 3
Tytuł:
Modeling of Trace Elements and Heavy Metals Content in the Steppe Soils of Ukraine
Autorzy:
Breus, Denys
Yevtushenko, Olha
Powiązania:
https://bibliotekanauki.pl/articles/2026736.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
trace element
spatial modeling
heavy metals
agricultural land
GIS technology
Opis:
The recent deterioration of the ecological condition of agricultural lands, the tendency of reducing soil fertility, and the production of plant products, mostly of low quality, necessitate an understanding of the role of trace elements in the process of plant formation. The content of trace elements in soils affects the efficiency of absorption of basic nutrients by plants. Deficiency of iron, manganese and zinc reduces the supply of nitrogen to plants. Copper and calcium promote the absorption of phosphorus by plants, but excess of iron inhibits it. Excess of copper and molybdenum reduces the transfer of potassium to plants. Due to high yields of agricultural crops, a significant amount of trace elements is removed from the soil, so the introduction of the optimal amount of trace elements against the background of high agricultural technology is an additional measure to increase the yields and quality of agricultural products. Heavy metals are an important environmental factor, which, on the one hand, is necessary for living organisms, and on the other (with increasing concentration of these elements in the environment) constitutes a negative factor in their lives. The activities of industrial enterprises, car exhausts and other attributes of civilization, increase the content of heavy metals in soils and as a consequence negatively affect their quality. The term “heavy metals” is used for the metals with a specific gravity exceeding 5 g/cm3 or an atomic number of more than 20. Among them, lead and cadmium are considered the most dangerous. Therefore, modeling the content of trace elements and heavy metals in the Steppe soils of Ukraine is an additional mechanism for quality control of agricultural land and, as a consequence, of obtaining quality products to ensure food security of the state.
Źródło:
Journal of Ecological Engineering; 2022, 23, 2; 159-165
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agroecological Assessment of Suitability of the Steppe Soils of Ukraine for Ecological Farming
Autorzy:
Breus, Denys
Yevtushenko, Olha
Powiązania:
https://bibliotekanauki.pl/articles/24201780.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
agricultural land
spatial modeling
GIS technology
agroecology
agrochemical indicator
nutrients
Opis:
The intensive development of industry generates a number of negative consequences, which leads to an ecological crisis. As a result, the soil on which plant products are grown is polluted by radionuclides, heavy metals, pesticides, and chemicals. That is why in the early 1960s, the alternative farming, which is also called biological, biodynamic or organic, began to develop in Europe. The movement for alternative farming is widely developing in industrialized countries with a high level of chemization of agriculture. Therefore, the proposed topic is extremely relevant in terms of rational nature use, ensuring the sustainable development of territories, as well as food security in Ukraine. The article deals with agroecological assessment of suitability of agricultural land of the Steppe Zone of Ukraine for ecological farming and bases on the modern data from the Kherson branch of the state institution “Institute of Soil Protection of Ukraine”. Spatial modeling of the presence of nutrients in the steppe soil of Ukraine was made by the means of ArcGIS 10.1 product. Taking into account the obtained data and spatial modeling, the territories with soils of limited suitability for ecological farming occupy 67.2% (1194.5 thousand hectares) of the Kherson region, unsuitable soils are located on 16.7% (297.4 thousand hectares) of agricultural land of the Steppe Zone of Ukraine and suitable lands were detected on 16.1% (286.2 thousand hectares) of the territory of the studied lands. The conclusion was made that with the actual availability of lands occupied under ecological farming (4.3% or 75.9 thousand hectares), the territory of the Steppe Zone of Ukraine has a prime potential to increase the area under ecological farming by 4.2 times. Therefore, the article paid attention to ecological farming, taking into account the specifics of the content of trace elements in the steppe soils and their compliance with the methodology for determining whether soils belong to the categories of suitable, limited-suitability and unsuitable for ecological farming.
Źródło:
Journal of Ecological Engineering; 2023, 24, 5; 229--236
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of the Effect of Biological Growth-Regulating Preparations on the Yield of Agricultural Crops under the Conditions of Steppe Zone
Autorzy:
Skok, Svetlana
Breus, Denys
Almashova, Viktoria
Powiązania:
https://bibliotekanauki.pl/articles/27323837.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
agricultural land
winter wheat
sunflower hybrid
vegetable pea
growth-regulating preparation
organic agriculture
Opis:
Increasing the production of high-quality agricultural products with minimal negative impact on environmental components is one of the priority tasks of modern agriculture. Due to the global world trends aimed at ensuring a sustainable and safe economy and reducing the use of chemical protection agents, it is predicted that the share of alternative biological methods in the European agricultural sector will increase to 10%, the area of agricultural land for organic farming will increase by 50%. Under the conditions of intensification of agricultural production, a comprehensive approach to the use of microelements and microbial biological preparations, which enhance growth processes, anti-stress, protective effect and increase the yield of agricultural crops, becomes expedient. The article deals with the effects of biological growth-regulating preparations on winter wheat, sunflower hybrids, and vegetable peas. It was established that when processing winter wheat with the “Grainactive-C” preparation, the greatest increase in grain yield was observed under the conditions of 3-fold treatment of crops in the phase of tillering, flag leaf, and grain filling (3.2 t/ha, or 18%). At the same time, the greatest effect was recorded when treating crops in the tillering phase, where the yield increase was 2.9 c/ha, or +16% compared to the control. It has been studied that the effectiveness of the preparation “Nano-Agro” when applied to sunflower hybrids also depends on the time of its application. The same increase – 0.9 t/ha of seeds (+12% compared to the control) was observed during pre-sowing treatment of seeds and during the vegetation phase (before flowering), but the yield increase when treating sunflower after flowering phase was only 0.32 t/ha (4%). In order to restore disturbed soils and increase the efficiency of agricultural production, the introduction of leguminous crops into the crop rotation becomes important, after harvesting them up to 80 kg/ha of biological nitrogen remains and humus accumulates in the arable layer of the soil up to 10.8 t/ha. Treatment of vegetable peas seeds with Rhizohumin contributed to the accumulation of humus by 3.96 t/ha. Through field studies, the article proves the positive effect of growth-regulating preparations on agricultural crops under the conditions of the Steppe zone of Ukraine.
Źródło:
Journal of Ecological Engineering; 2023, 24, 7; 135--144
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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