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    Wyświetlanie 1-7 z 7
    Tytuł:
    Charakterystyki potencjal wody glebowej - wilgotnosc czarnoziemow Polski
    Soil water potential - moisture characteristics of polish chernozems
    Autorzy:
    Witkowska-Walczak, B
    Walczak, R.
    Slawinski, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/1630463.pdf
    Data publikacji:
    1999
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Polska
    gleby
    czarnoziemy
    wilgotnosc gleby
    retencja glebowa
    retencja wodna
    woda glebowa
    potencjal wodny
    Polska
    soil
    chernozem
    soil moisture
    soil retention
    water retention
    soil water
    water potential
    Opis:
    W pracy przedstawiono statystyczne charakterystyki wodne tj. zależność potencjał wody glebowej - wilgotnośc czarnoziemów Polski.Stwierdzono że najwieksze ilości wody użytecznej dla roślin retencjonuje warstwa powierzchniowa i podglebie czarnoziemów.Najkorzystniejsze stosunki powietrzno-wodne w czarnoziemach Polski panują w ich warstwie podpowierzchniowej , gdzie układ porów zapewnia równowage pomiedzy ilością wody użytecznej dla roślin a powietrzem znajdującym się w glebie.
    In this paper the static characteristic , e.i.soil water potential-moisture relationships of Polish chernozems are presented. It was stated that that shape of static water characteristics for the investigated horizons of chernozems fitter to the typical silt composition. The optimum water-air relations for Polish chernozems were in the subsurface horizon, where the distribution of pores caused equilibrium between the amount of water useful for plants and soil air.
    Źródło:
    Acta Agrophysica; 1999, 22; 265-273
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatial Heterogeneity of Soil Silicon in Ukrainian Phaozems and Chernozems
    Autorzy:
    Tonkha, Oksana
    Butenko, Andrii
    Bykova, Olga
    Kravchenko, Yuriy
    Pikovska, Olena
    Kovalenko, Vitalii
    Evpak, Iryna
    Masyk, Ihor
    Zakharchenko, Elina
    Powiązania:
    https://bibliotekanauki.pl/articles/1839084.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    silicon
    chernozem
    fertilization
    exchangeable cation
    pH
    soil texture
    Opis:
    This study investigated the spatial variability of the soil silicon content in relation with topography, parent materials, soil texture, soil organic matter, exchangeable cations and pH. Using the experimental data from two longterm sites in the Forest-Steppe area of Ukraine, the SiO2 content was estimated in 60 samples taken from a soil depth 0–25 cm. The accumulation of SiO2 was significantly greater in the soils formed in footslopes. A content of extractable silicon fraction significantly increased from a sandy loam(366–465 mg•kg-1) to medium(670–697 mg•kg-1) and heavy(506–849 mg•kg-1) textured soils. The highest amount of available silicon content was found in the soils containing: 35.0–39.9% of physical clay fraction (< 0.01 mm dia) in Hrytsiv area – 143.0 ± 46 mg•kg-1 and < 25.0% of physical clay fraction in Khrolyn area – 125.0 ±6 mg•kg-1. A significant relationship was found between pHKCl, P2O5, K2O, Mg and both forms of SiO2. There was almost no correlation between available/ extractable SiO2 and exchangeable Ca and ∑ Ca+Mg. Our studies found the best correlation between extractable SiO2 and spring barley yield (r = 0.651; P = 0.041), as well assoluble SiO2 and corn for grain yield (r = 0.514; P = 0.128). No significant relationships were found for sugar beet, winter wheat, sunflower.
    Źródło:
    Journal of Ecological Engineering; 2021, 22, 2; 111-119
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biochar Substrates and their Combination with Fertilization as a Factor Affecting the Changes in pH and Surface Charge of Soil Particles in Soils with Different Texture
    Autorzy:
    Šimanský, Vladimír
    Chlpík, Juraj
    Horváthová, Jarmila
    Powiązania:
    https://bibliotekanauki.pl/articles/2086422.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    soil pH
    zero charge
    effeco
    arenosol
    chernozem
    Opis:
    In 2017 the field experiments were established at two localities of the South-west Slovakia (1 Dolná Streda: sandy Arenosol and 2 Veľké Úľany: loamy Chernozem). The experiments involved biochar substrates (1 BS1 mix biochar, sheep manure and 2 BS2 mix biochar, sheep manure and digestate) in two application doses (10 and 20 t ha-1), which were applied independently compared with the unfertilized control (Co-NF) and combined with additional fertilization versus the fertilized control (Co-F), in order to verify their impacts on the changes of soil properties. In the spring and autumn of 2018–2020, within these experiments the soil samples were taken to determine the range of effect of the tested biochar substrates (BS) and also their combination with fertilization (F) on the changes of soil pH and surface charge of soil particles in the soils different in texture. The results pointed out the fact that a more significant effect of tested BS on soil pH was detected in sandy soil than loamy soil. In sandy soil, only the application of BS2 in doses 10 and 20 t ha-1 statistically significantly increased the soil pH in H2O in comparison with Co-NF. The application BS1 + F in dose 10 t ha-1 and BS2+F in dose 20 t ha-1 statistically significantly increased pH in KCl compared with Co-F. The fertilization to BS eliminated the considerable decrease of the soil pH in H2O both soils. In sandy soil, pH was substantially regulated by the content of alkali cations themselves in BS; however, in loamy soil, it occurred as a result of the increase of the content of soil organic carbon after the application of BS (R2 = 0.339), but also BS + F (R2 = 0.468). In sandy soil, the application of BS itself, owing to the change of the surface charge, influenced predominantly the sorption of anions. Conversely, the additional fertilization to BS treatments had an impact on the sorption of cations. In loamy soil, the application of BS and BS + F as a result of the change of surface charge did not have any significant effect on the total soil sorption.
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 5; 44--53
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soils in the memory of world nations
    Autorzy:
    Pozniak, S.P.
    Havrysh, N.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/971566.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    soil
    chernozem
    natural monuments
    Opis:
    The most important feature of the primary accumulation of different facts about the properties of soils, their fertility and ways of cultivation is the human awareness of soil as the environment of growth and development of plants, as well as the existence of a large variety of soils and the need for their differentiated use in the agriculture and different taxation systems. Monuments are important in the case of careful treatment and conservation of natural objects, including soils. Monuments to soils have been preserved in ancient writings – Egyptian papyri and steles, chronicles, maps, etc. Taking into account the importance of chernozem for nature and for humans as well, a number of monuments, scientifi works, fition, or poems are devoted to this particular type of soil. There are also announced “years of chernozem”, indicating it as the standard of excellence in the world soils. Analysis of the development of soil science has shown that it has a long history, from ancient times to the present day. The main idea is that soil plays an important role both for nature and humanity. An important task of modern society is a reasonable approach towards the soil and preservation of natural soil objects.
    Źródło:
    Polish Journal of Soil Science; 2019, 52, 1; 13-24
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of Cultivation Technology on the Productivity of Spring Wheat and the Humus State of Southern Carbonate Soils of Northern Kazakhstan
    Autorzy:
    Kunanbayev, K.
    Churkina, G.
    Filonov, V.
    Utebayev, M.
    Rukavitsina, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2068455.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    southern carbonate chernozem
    spring wheat
    humus
    humus group composition
    nitrogen
    phosphorus
    soil microorganism
    soil respiration
    Opis:
    Intensive use of the chernozem soils of Northern Kazakhstan since the development of virgin lands has led to soil erosion and loss of humus. Since 1954, according to researchers, 1.2 bln tons of organic matter have been irretrievably lost. During this period, the methods of tillage have changed significantly from surface to subsurface tillage, which led to a change in the method of accumulation of organic residues in the soil. The purpose of this study was the short-term monitoring of spring wheat cultivation technologies to observe their influence on crop productivity and soil agrocenosis. A virgin plot was used as a standard of soil fertility. Determination of nutrients in the soil was carried out by using the method of "wet chemistry" with spectrophotometric termination. An infrared analyzer was used to assess the grain quality. The identification of soil microorganisms was carried out on nutrient microbiological media, such as meat-and-peptone agar, starch-and-ammonia agar, and Czapek-Dox agar. The results of three-year studies showed that the humus content in the variants with permanent wheat decreased to 3.26–3.38%. The greatest decrease in humus content was observed in the two-field grain and fallow crop rotation (2.48%). The decrease in the amount of humus occurred as a result of insufficient intake of plant residues and mineral fertilizers. The content of nitrate nitrogen and mobile phosphorus in virgin soil is low. Soil micromycetes dominate on virgin lands, whereas ammonifiers and immobilizers dominate on cultivated soils. The high level of carbon dioxide emissions on virgin land (3.0 C2 kg/ha/hour) is due to the presence of a large amount of plant biomass. The most optimal variant out the considered technological backgrounds from the point of view of increasing yields up to 15.8 c/ha and preserving soil fertility (3.26% humus content) is the cultivation of permanent wheat with the introduction of fertilizers and herbicides. The use of two-field grain and fallow crop rotation leads to irreplaceable losses of organic matter (2.48%).
    Źródło:
    Journal of Ecological Engineering; 2022, 23, 3; 49--58
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Heavy Metals in Soil and Plants During Revegetation of Coal Mine Spoil Tips and Surrounded Territories
    Autorzy:
    Kucher, Larisa
    Krasnoshtan, Igor
    Nedilska, Uliana
    Muliarchuk, Oksana
    Manzii, Olena
    Menderetsky, Vadim
    Boroday, Vira
    Beregniak, Evgeniy
    Voitsekhivskyi, Volodymyr
    Myronycheva, Olena
    Powiązania:
    https://bibliotekanauki.pl/articles/27323823.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    spoil tip
    rock waste
    heavy metals
    threshold limiting value
    soil
    pH
    ordinary chernozem
    plant biomass
    Opis:
    Coal mining in Donbas is a global problem as it causes the destabilization of ecological landscapes. Spoil tips, covering almost 52% of the territory, alter the topography of the land, affect the ecosystem, and decrease soil fertility. The soils become degraded and are unsuitable for agricultural use. The occupation of the Donetsk region by the Russian Federation has suspended the observation and research of man-made influence on this territory, which is a major concern for the scientific community. To reduce the negative impact of spoil tips, it is necessary to slow down the process of pyrite oxidation and the formation of toxic substances, as well as the migration of heavy metals due to erosion. Biological reclamation with grass and woody plants can help in achieving this goal. Another urgent issue is the constant supervision and assessment of the suitability of the bedrock of coal mines for agricultural use. The study investigated the total and mobile content of heavy metals in the rock samples from the “South Donbaska-1” mine, ordinary chernozem (background soil), and vegetation growing on the spoil tip. The results showed that the content of Co, Cr, Cu, and Fe in the rock of the spoil tip is higher than in the background soils. The content of heavy metals gradually decreases as the distance from the spoil tip increases. The content of Pb in ordinary chernozem and rock is practically the same, indicating its active migration. An analysis of the biomass of plant samples growing on the spoil tip showed that the content of Co, Cu, and Zn was within the limits of the threshold limiting values. However, the content of other studied elements exceeded the permissible norms. The research results provide information on the ecological state of the spoil tip and can be used for recreational as well as reclamation works in these areas.
    Źródło:
    Journal of Ecological Engineering; 2023, 24, 7; 234--245
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Forecasting of the impact of acidity on the content of mobile forms of potassium in the soils of forest-steppes of Ukraine
    Autorzy:
    Kucher, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/971475.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    typical chernozem
    podzolized chernozem soil
    meadow chernozem soil
    mobile
    forms of potassium
    acidity
    Opis:
    The level of soil acidity (рН) has the significant impact on availability of potassium to plants. For almost the century, scientists have discussed the issue of acidity of soils. Till nowadays, it is known, that carriers of potential acidity are Н⁺ and АІ³⁺ ions, which are situated in the solid phase of soil in the exchanged and absorbed state, but soil solution is acidified as a result of exchange reactions during increase of concentration of electrolytes in it (for example, during application of fertilizes the soil). Our task was to explore the impact of acidity of soil solution on the movement of potassium in some soils of forest-steppes of Ukraine: typical chernozem, podzolized chernozem and meadow chernozem. In the laboratory conditions the soil samples were influenced by citrate-phosphate-borate buffer solution of different volumes of рН – from 2.8 till 9.5 units, and the potassium content was determined by flame photometry. Based on the research results, there were created mathematical models which predict the potassium content when changing soil acidity. An exponential functional relationship between potassium content in the soil solution and its pH is established. This functional dependence allows to predict the levels of transition of potassium to the soil solution in the conditions of lowering the pH.
    Źródło:
    Polish Journal of Soil Science; 2019, 52, 2; 269-276
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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