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    Wyświetlanie 1-8 z 8
    Tytuł:
    The Effect of Waste Materials on the Content of Some Macroelements in Test Plants
    Autorzy:
    Godlewska, Agnieszka
    Becher, Marcin
    Tematy:
    sewage sludge
    hard coal ash
    mineral fertilisation
    cocksfoot
    maize
    Pokaż więcej
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Powiązania:
    https://bibliotekanauki.pl/articles/1839625.pdf  Link otwiera się w nowym oknie
    Opis:
    The study reported here was to determine the effect of an application of organic and mineral materials and their mixtures, combined with mineral fertiliser regime, on the content of selected macroelements in cocksfoot grass and maize. The trial was a completely randomised arrangement with three replicates. Two experimental factors were tested: factor A – fertilisation with organic and mineral materials ( sewage sludge fresh and composted, hard coal incineration ashes , calcium carbonate, mixture of this components) and factor B – mineral fertilisation. The observed effects are indicative of the legitimacy of applying sewage sludge and its mixture with hard coal ash to fertilise agricultural crops as this would reduce reliance on mineral fertiliser, which is very desirable in sustainable agriculture. Mineral fertilisation applied to both the test plants significantly reduced their contents of calcium and magnesium but it increased their content of potassium.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gleby orne makro- i mezoregionów fizycznogeograficznych Polski
    Arable soils of physico-geographic macro- and mesoregions of Poland
    Autorzy:
    Tołoczko, Wojciech
    Becher, Marcin
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Powiązania:
    https://bibliotekanauki.pl/books/55995851.pdf  Link otwiera się w nowym oknie
    Opis:
    W książce przedstawiono rezultaty badań własnych, które umożliwiły ujęcie zagadnień gleboznawczych w ramach regionalizacji fizycznogeograficznej Polski. Uwzględniając granice makroregionów, zaprezentowano charakterystykę podłoża, właściwości użytkowe gleb i udziały procentowe kolejnych kompleksów przydatności rolniczej gruntów ornych. W granicach mezoregionów opisano występowanie oraz położenie w rzeźbie terenu dominujących typów gleb użytków rolnych. Dla porównania makroregionów zaproponowano do powszechnego stosowania indeks ważony kompleksów IWK. Wzór na obliczanie wartości IWK waloryzuje dowolną powierzchnię gruntów ornych na podstawie numerów kompleksu przydatności rolniczej i powierzchni, które zajmują w porównywanych obszarach badań. Monografia zawiera około pięćdziesiąt tysięcy wyników z monitoringu chemizmu gleb ornych Polski prowadzonego przez IUNG w Puławach w latach 1995–2017. Badania zmierzały w kierunku potwierdzenia możliwości oceny chemicznych właściwości poziomów próchnicznych gleb ornych na tle regionalizacji fizycznogeograficznej. W publikacji znajduje się ponad pięćdziesiąt kartogramów, które ilustrują zróżnicowanie wybranych właściwości fizycznych i ogromnej ilości chemicznych parametrów gleb ornych w granicach analizowanych regionów glebowych Polski.
    The main purpose of the study was to characterize the soil cover of physico-geographic macro- and mesoregions in Poland, which was carried out using the ArcGIS software and vector graphics files – geospatial data shape files used in Geographic Information Systems (GIS). The contours and areas of agricultural usefulness complexes (kpr) of soils were distinguished on the basis of a spatial soil database in the scale of 1:500,000 in combination with the physico-geographic macro- and mesoregions of Poland. In Corel Draw, a map was generated, which facilitated the descriptive characteristics of Poland's arable soils divided into 344 mesoregions. In MS Excel, a very extensive xlsx file was compiled, which made it possible to present – in a tabular form – information about the area of agricultural usefulness complexes of soils. Their area was calculated for the soils of the entire territory of Poland, and the results were given as the occupied area in km2 and their percentage share in the total area of each surveyed physico-geographical unit. At the level of mesoregions, the soil cover was characterized in a descriptive manner, presenting the spatial distribution of the complexes of agricultural usefulness (kpr) of soils. A brief description of soil types is also provided. The description allowed to illustrate their variability and spatial distribution within 344 mesoregions. As a result of the modeling, based on the obtained data on the area of agricultural usefulness complexes (kpr) of soils in macroregions, the values of the IWK index were calculated for them. The IWK index ranges from 1 to 49. For the differentiation and grouping of ranges of IWK numerical values, a letter term was introduced in the form of area A, B, C, D, E. In order to determine the chemical properties of soils, the monitoring results of 216 soil sampling points were used (IUNG 2017). The regionalization of Poland's arable soils based on the borders and areas of macroregions was proposed. Only 16 macroregions were analysed independently as soil regions. The remaining macroregions were combined in groups of 2 or 3 into soil regions of Poland (rgP). It was almost always justified due to similar soil conditions, topography or the genesis of the combined soil areas. The IWK index helped in this. Results of the research on chemical properties were collected and presented in the final table (Annex). On its basis, choropleth maps are presented, which characterize the properties of arable soils in the arable-humus horizons of Ap within the boundaries of soil regions of Poland (rgP). The legend of each choropleth map illustrates this specific regionalization. The characteristics of chemical parameters of Polish arable soils were presented on the basis of the monitoring of arable soils. 33 soil regions of Poland (rgP 1-33) were distinguished, which differ from the others. It should be stated that arable soils in Poland belong to soils with good agricultural condition and meet the safety criteria for agricultural production. Only a few soil regions of Poland (rgP) should have a greater number of measurement points due to the higher risk of industrial impact on the soil environment. One of the objectives of the research was to determine the usefulness of regionalization for the assessment of qualitative and chemical properties of soils. Assigning specific results of soil research to physico-geographic units and preparing choropleth maps allows for an alternative assessment of the condition of the soil environment. Monitoring at 216 soil sampling points is not suitable for characterizing the chemical characteristics of arable soils within mesoregions or districts, but 59 macroregions are. Even more convenient and adequate to the pool of results is the use of the soil regions of Poland, used in this study to graphically illustrate the chemistry of arable soils. One of the tasks of nationwide monitoring programs is to assess the quality of arable soils, which by definition should not be contaminated. The value of monitoring at 216 research points conducted by IUNG in Puławy cannot be overestimated. Most of the laboratory analyses have been performed since 1995, and therefore for the entire Poland it is about 50,000 test results, and the number of soil samples taken has reached 1080 (5 editions). Some of the newly introduced analyses were performed in only two editions in 2010 and 2015. Based on the interpretation of the research results, it was found that the characterization of arable soils in macro- and mesoregions confirms the accuracy of physico-geographic regionalization of Poland. The variability of the chemical composition and quality characteristics of arable soils in Polish soil regions confirms their natural diversity. The characteristics of our country's soils broken down into Polish soil regions should in the future be extended to include soil research in microregions.
    Dostawca treści:
    Biblioteka Nauki
    Książka
    Tytuł:
    Nitrogen fractions in dehydrated peat soils
    Autorzy:
    Becher, Marcin
    Żukowski, Emil
    Tematy:
    muck
    oles peat soil nitrogen
    peat degradation
    peat moss
    sequential analysis
    Pokaż więcej
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Powiązania:
    https://bibliotekanauki.pl/articles/1066276.pdf  Link otwiera się w nowym oknie
    Opis:
    The aim of the study was to determine the nitrogen speciation in organic soils under mulching, made from sedge and peat. For speciation tests, the method based on extraction with neutral reagent and two-stage acid hydrolysis allowing the separation of mineral nitrogen and organic forms: soluble, easily hydrolysable, hardly hydrolyzing and non-hydrolyzing. Characteristic for the degradation of dehydrated peats, the processes of oxygen transformation of organic matter increased the share of the most mobile soluble and easily hydrolysable fractions. The easily soluble and easily hydrolysable fraction was closely correlated with the decomposition processes of the organic matter of the studied soils. It was confirmed that a useful indicator describing the state of transformations of peat soils occurring after their dehydration, may be the ratio of the amount of nitrogen of the easily hydrolysable to the hardly hydrolysable form. The value of this ratio showed a significant linear relationship with soil characteristics characteristically variable in transformation processes of drained peat soils. It grew along with the advancement of decomposition processes of organic matter.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phosphorus Accumulation in the Dehydrated Peat Soils of the Liwiec River Valley
    Autorzy:
    Becher, Marcin
    Pakuła, Krzysztof
    Jaremko, Dawid
    Tematy:
    peatland
    peat soil
    secondary transformation process
    phosphorus forms
    soil horizon
    Pokaż więcej
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Powiązania:
    https://bibliotekanauki.pl/articles/123721.pdf  Link otwiera się w nowym oknie
    Opis:
    The aim of the research was to complement the knowledge on profile distribution and accumulation of phosphorus forms in the soils changed under the influence of secondary organic matter transformation process in dehydrated peatlands. The soil research was carried out in the upper Liwiec river valley in the middle-east of Poland. In the soil material taken from the moorsh (M1, M2, M3) and peat (O) horizons of the Murshic Histosols, the physical and chemical properties were determined and the soil phosphorus fractions with different activity in the environment by sequential extraction method were separated. The profile distribution of the total phosphorus content (TP) and values of carbon/phosphorus (TC/TP) ratio were characteristic for dehydrated peat soils included in the secondary transformation process (M1>M2>M3>O). This process also increased the contribution of the available phosphorus forms (NH4Cl-P), forms bound on the surface of iron (III) and manganese (IV) oxides and hydroxides (redox-P), as well as mineral (mHCl-P) and organic (oHCl-P) forms separated by 0.5 M HCl. Significant accumulation of the phosphorus compounds in the moorsh horizons of the investigated soils can be considered as a potential threat to the natural environment of the studied area due to the risk of decomposition of the phosphorus compounds when the area will be rehydrated.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Metale ciężkie w glebach położonych wzdłuż szlaków komunikacyjnych
    Autorzy:
    Kuziemska, Beata
    Pakuła, Krzysztof
    Pieniak-Lendzion, Krystyna
    Becher, Marcin
    Tematy:
    transport drogowy
    metale ciężkie
    gleba
    Pokaż więcej
    Wydawca:
    Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
    Powiązania:
    https://bibliotekanauki.pl/articles/1819408.pdf  Link otwiera się w nowym oknie
    Opis:
    Celem pracy była ocena zawartości cynku, ołowiu, chromu, miedzi, niklu i kadmuw poziomie powierzchniowym gleb uprawnych w odległości 10 m i 75 m od drogi krajowej DK63,na odcinku Siedlce-Łuków. W badanych glebach stwierdzono zróżnicowaną zawartość metaliciężkich, która układała się w szeregu malejącym: Zn > Pb > Cr > Ni > Cu > Cd i zmniejszała sięw miarę oddalania od pasa drogowego. Zawartość ta nie przekraczała dopuszczalnych stężeń dlagleb uprawnych, mieściła się w przedziale zawartości naturalnych i tła geochemicznego dla utworówpiaszczystych.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fractional Composition of Organic Matter and Properties of Humic Acids in the Soils of Drained Bogs of the Siedlce Heights in Eastern Poland
    Autorzy:
    Becher, Marcin
    Tołoczko, Wojciech
    Godlewska, Agnieszka
    Pakuła, Krzysztof
    Żukowski, Emil
    Tematy:
    secondary transformation process
    humification
    carbon fraction
    sequential extraction
    Pokaż więcej
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Powiązania:
    https://bibliotekanauki.pl/articles/2086375.pdf  Link otwiera się w nowym oknie
    Opis:
    The studied bogs of the Siedlce Heights in eastern Poland are currently undergoing decession. In the course of pedological studies, a significant modification of the structure of soil profiles caused by the murshing process was found. The total contents of carbon and nitrogen values (TC/TN = 11.1–17.3) obtained in the study, as well as slight acidification (pHKCl 5.42–6.15) indicate the eutrophy of the studied soil environment, high biological activity and a significant degree of organic matter processing as a result of the processes of mineralization and humification. In addition, the upper levels covered by the process of murshing, compared to peat, are characterized by lower carbon content and, most often, similar nitrogen content. In the studied soils, humic substances are mostly represented by the fraction of humic acids. As a consequence, high values of the quotient expressing quantitative relations between soil humus fractions (HAs/FAs) were noted. For all profiles, the highest share of fulvic acids was recorded in turf murshic levels (M1). The occurrence of the most mature humic acids was found in the peat levels not covered by secondary transformation processes after dehydration.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of varied levels of fertilization with potassium on field pea yield and content and uptake of nitrogen
    Wpływ zróżnicowanego nawożenia potasem na plonowanie grochu siewnego oraz zawartość i pobranie azotu
    Autorzy:
    Symanowicz, Barbara
    Kalembasa, Stanisław
    Becher, Marcin
    Toczko, Martyna
    Skwarek, Korneliusz
    Tematy:
    field pea
    N uptake
    potassium
    seed yield
    azot
    groch siewny
    plon nasion
    pobranie N
    potas
    Pokaż więcej
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Powiązania:
    https://bibliotekanauki.pl/articles/2223310.pdf  Link otwiera się w nowym oknie
    Opis:
    Background. The aim of this study was to estimate the effect of different potassium fertilization rates on the yield and nitrogen content and uptake by field pea. Also, an attempt was made to make a modelled estimation of the amount of nitrogen biologically reduced by the bacteria Rhizobium leguminosarum living in symbiosis with field pea and free bacteria in the soil, in conditions of different rates of potassium fertilization. Material and methods. The study was carried out based on a field experiment in 2010 and 2012, in a completely randomized design with four replications, on experimental plots of the Siedlce University of Natural Sciences and Humanities. The study involved the application of nitrogen fertilization at a rate of 20 kg·ha-1 and six potassium fertilization levels: NK0; NK1; NK2; NK3; NK4; NK5. Potassium was applied at rates: K0 – 0; K1 – 41.5; K2 – 83; K3 – 124; K4 – 166; K5 – 207.5 $kg·ha^(-1)$. Results. The significantly highest yields of field pea seeds were obtained in the treatments where the applied potassium fertilization rate was 124 $kg·ha^(-1)$. Straw and pod yields were different in each year of the study. The content of nitrogen in seeds, straw and pods was significantly reduced under the influence of higher doses of potassium fertilizers. The highest nitrogen uptake in the yield of field pea was found in the variant where the rate of potassium was 124 $kg·ha^(-1)$. Conclusion. The study showed that to obtain the highest seed yield, the highest 1000 seed weight and the highest nitrogen uptake with the total yield of field pea, the optimal potassium rate was 124 $kg·ha^(-1)$.
    Celem badań było określenie wpływu zróżnicowanego nawożenia potasem na plon, zawartość i pobranie azotu przez groch siewny. Podjęto także próbę modelowego określenia ilości azotu biologicznie zredukowanego przez bakterie Rhizobium leguminosarum żyjące w symbiozie z grochem siewnym i bakterie wolno żyjące, w warunkach zróżnicowanych dawek nawozów potasowych. Badania przeprowadzono na podstawie doświadczenia polowego prowadzonego w latach 2010 i 2012 w układzie kompletnie zrandomizowanym, w czterech powtórzeniach. Analizie poddano nawożenie azotem w dawce 20 kg·ha-1 oraz sześć poziomów nawożenia potasem: NK0; NK1; NK2; NK3; NK4; NK5. Potas stosowano w dawkach: K0 – 0; K1 – 41.5; K2 – 83; K3 – 124; K4 – 166; K5 – 207.5 $kg·ha^(-1)$. Istotnie największe plony nasion grochu siewnego osiągnięto na obiektach, gdzie zastosowano nawożenie potasem w dawce 124 $kg·ha^(-1)$. Plony słomy i strączyn kształtowały się odmiennie w kolejnych latach prowadzenia badań. Zawartość azotu w nasionach, słomie i strączynach ulegała istotnemu zmniejszaniu pod wpływem większych dawek nawozów potasowych. Nawożenie potasem w dawce 124 $kg·ha^(-1)$ wpłynęło na istotnie największe pobranie azotu z plonem grochu siewnego. Przeprowadzone badania wykazały, że dawka potasu 124 $kg·ha^(-1)$ gwarantowała uzyskanie największych plonów, masy 1000 nasion i całkowite pobranie azotu z plonem grochu siewnego.
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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