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    Wyświetlanie 1-4 z 4
    Tytuł:
    Water resistance of the rendzinas structure of different geological formations
    Autorzy:
    Spychalski, W
    Mocek, A.
    Owczarzak, W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1401925.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Polska
    geological formation
    soil
    rendzina soil
    soil structure
    arable layer
    water resistance
    physicochemical property
    Opis:
    The basic objective of the research was to investigate and determine variations in the physico-chemical properties of the arable layer (Ap) of calcareous soils which belong to the group of lithogenic soils. The above objective was achieved by determining the following physical soil parameters: static and dynamic water resistance of soil aggregates as well as the state of their secondary aggregation following static and dynamic action of water. The above mentioned physico-mechanical properties were determined for wet aggregate models, wet aggregate models subjected to freezing and defreezing and dry "ones", i.e., brought from the appropriate level of moisture to the air-dry state. In order to obtain a comprehensive picture of the properties analysed in the study and their complex evaluation, samples were collected in such a way as to represent the most important and common groups of Rendzinas occurring in Poland. Hence, the material sampled for laboratory analyses developed from various parental rocks.
    Źródło:
    Acta Agrophysica; 2000, 35
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of criteria of the extent of soil degradation in the vicinity of workings of open cast brown coal mines situated on the central Polish Lowland
    Autorzy:
    Mocek, A
    Owczarzak, W.
    Kaczmarek, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/1449671.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    brown coal mining
    soil degradation
    Polska
    soil
    soil property
    degraded ecosystem
    vicinity
    anthropogenic ecosystem
    drainage
    lowland
    Opis:
    In the result of geomechanical transformations associated with the activity of open cast brown coal mining, some changes in air-water relations may occur on arable land adjacent to these regions usually referred to as hvdrological alterations. However, they do not always need to result in soil degradation, i.e. in the deterioration of their production potentials. This will often depend on the distance of fields from the workings, value of the arable land (soil quality class), type of water management, etc. On the basis of long-term studies carried out in the area of operation of two brown coal mines - KWB "Konin" and "Adamów" - on arable land and grasslands of over 60 villages on the total area of 30 thousand hectares it was possible to develop evaluation criteria for the extent of soil degradation and work out principles for compensation payments for farmers. Three zones and appropriate sub-zones of soil susceptibility to drainage were determined and clear and simple criteria for the estimation of the extent of arable land and grassland degradation were worked out. Furthermore, the authors proposed simple and readable systems to calculate compensatory payments to be paid to farmers taking into account the state of soil degradation, value of agricultural land (price of 1 ha of land of appropriate class) and the area of damaged land. The degree of soil degradation, both of arable land and grasslands, ranged from 10 to 30%. In the case of grasslands, additionally, an appropriate sum of money was allocated to compensate for sward recultivation.
    Źródło:
    Acta Agrophysica; 2001, 51; 131-142
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Rational cultivation of chemically contaminated soils near the copper smelter
    Racjonalne zagospodarowanie gleb chemicznie skażonych w sąsiedztwie huty miedzi
    Autorzy:
    Mocek, A.
    Owczarzak, W.
    Bartoszewicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1402322.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Źródło:
    Acta Agrophysica; 2001, 56; 189-198
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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