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Wyszukujesz frazę "soil macropore" wg kryterium: Wszystkie pola

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Application of image analysis for soil macropore characterization according to pore diameter
    Autorzy:
    Glab, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/26286.pdf
    Data publikacji:
    2007
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil macropore
    soil structure
    soil macroporosity
    application
    pore diameter
    image analysis
    macroporosity
    Źródło:
    International Agrophysics; 2007, 21, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Quantification of the relationship between root parameters and soil macropore parameters under different land use systems in Retisol
    Autorzy:
    Kochiieru, M.
    Lamorski, K.
    Feiza, V.
    Feiziene, D.
    Volungevicius, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082920.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    plough layer
    porosity
    root length
    root volume
    tillage
    X-ray computed tomography
    Opis:
    The study aimed to quantify the relationship between root parameters and soil macropore characteristics in two soil layers of Retisol from a hilly landscape in Western Lithuania, as influenced by different land use systems. The decreases in root volume and root length density were dependent on land use and soil depth. The values of root length density and root volume at 0-20 cm depth tended to decrease in the following order: grassland > forest > arable land under conventional tillage. The highest volume in the framework of macropores was recorded for medium-size pores under arable land (3.02%), for fine pores (2.56%) in forest soil and very fine pores in grassland soil (below 1.19%) at the 0-10 cm soil depth, while at 10-20 cm soil depth, the coarse macropores dominated in the arable land system (below 1.41%). Root length density, root volume and the volume of very fine macropores had close relationships (p < 0.01, r = 0.91 and r = 0.68, respectively) under different land use at 0-20 cm depth. In Retisol, the roots were concentrated at 0-10 cm soil depth, and their volume was higher compared to the 10-20 cm depth. Plant roots increased the volume of very fine macropores in all land use systems, within the entire 0-20 cm soil depth.
    Źródło:
    International Agrophysics; 2020, 34, 3; 301-308
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of two tillage techniques on soil macroporosity in sub-humid environment
    Autorzy:
    Josa, R.
    Ginovart, M.
    Sole, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/26619.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    tillage system
    soil macroporosity
    leguminous-cereal rotation
    macroporosity
    macropore area
    bulk density
    Spain
    conventional tillage
    direct drilling
    soil surface
    water balance
    micromorphology
    ploughed horizon
    Źródło:
    International Agrophysics; 2010, 24, 2; 139-147
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Field scale heterogeneity of soil structural properties in a moraine landscape of north-eastern Germany
    Autorzy:
    Koszinski, S.
    Wendroth, O.
    Lehfeldt, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/25422.pdf
    Data publikacji:
    1995
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    hydraulic conductivity
    macropore determination
    soil structure
    physical property
    crop growth
    spatial variability
    physical parameter
    morphological parameter
    Germany
    heterogeneity
    Źródło:
    International Agrophysics; 1995, 09, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aspekt hydrologiczny w modelu EURO-ACCESS [Agroclimatic Change and European Soil Suitability]
    Hydrological aspect in Euro-Access model
    Autorzy:
    Walczak, R T
    Slawinski, C.
    Sobczuk, H.A.
    Glinski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/1628415.pdf
    Data publikacji:
    1998
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    gleby
    profile glebowe
    makropory
    spekania
    osiadanie gleb
    wilgotnosc gleby
    zmiany klimatyczne
    intensywnosc opadow
    przeplyw wody
    przeplyw preferencyjny
    splyw powierzchniowy
    projekt EURO-ACCESS
    modele numeryczne
    soil
    soil profile
    macropore
    soil crack
    soil subsidence
    soil moisture
    climate change
    precipitation intensity
    water flow
    preferential flow
    surface flow
    numerical model
    Opis:
    This paper presents the aim and realization procedures of the project EURO- ACCESS (Agroclimatic Change and European Soil Suitability, No. EV5VCT920129, CIPA3510PL923399, CIPDCT930022, CIPDCT925058, financed by EC). The project was coordinated by Dr. Peter Loveland, Soil Survey and Land Research Centre. Crarifield University, Silsoe Campus, Bedford, Great Britain. The project was conducted in 1992-1995 by scientific institutes from 6 countries, including the Institute of Agrophysics, Polish Academy of Sciences in Lublin. This book consists of main information about the whole project and detailed information about, tasks performed by the Institute of Agrophysics, PAS in cooperation with the Institute of Soil Science and Plant Cultivation (IUNG) Puławy as well as with other European institutes. There are presented results of investigations conducted in cooperation with ADAS Land Centre, Gleadthorpe Research Centre, Meden Vale, Mansfield, Great Britain, (Chapt. 2: Modelling of water movement in the soil profile with the preferential flow influence.), Maria Curie-Sklodowska University, Lublin, Poland (Chapter 3: The method of rainfall intensity estimation for runoff prediction), INRA Montpellier, Prance and IUNG Puławy, Poland (Chapter 4: Verification of yield prediction model using soil and climatic data). The basic task of EURO-ACCESSS project was the model and program development for prediction of climate change influence onto potential yield of important crops. The climatic and physiological properties are assumed to be known. In hydrological submodel developed in ADAS, Mansfield, there was Richards one dimensional flow model assumed. In order to include heterogeneity of the soil the submodel of bypass flow was created by IA PAS and included into existing one dimensional flow procedure. The horizontal infiltration submodel is based on Green- Ampt simplified flow model. It plays role of source and/or sink term within the Richards procedure and accounts for the bypass flow of water from the surface to the deeper layers of the soil profile. The model has been verified in the laboratory conditions, on the basis of numerical experiments and in the field condition. Laboratory flow experiment with induced cracks shows the possibility of explanation of bypass flow with developed procedure. Numerical experiment shows ade- quateness of proposed crack and inaeropore description to the field data. The model allows easily estimate macropore parameters from the simple measurements at the soil surface or from the profile cross-section. The calibration of the model on the basis of measured data consisting soil moistures at different depths and precipitation data, soil hydraulic properties and évapotranspiration data, shows better agreement with the bypass flow model included. The main problem was to estimate momentary rain intensity from the daily precipitation data available. This was done using the statistical model of the rain intensity distribution. The momentary rain intensity plays major role in the runoff estimation. On the basis of long term (1982-1993) historical precipitation, climatic and yield data collected in IUNG Puławy, the whole EURO-ACCESS II has been verified. The plant submodel based on EPIC model was modified and suited to European conditions by INRA, Montpellier. The whole verification was conducted on the basis of daily climatic data. The error analysis shows that, during 1985-1990 period when model was calibrated estimated yield error was 22,5%-, for the period 1984 and 1991 1993 where model was verified the yield error was 8.0%. For the whole period of simulation the error was 15.3%.
    Źródło:
    Acta Agrophysica; 1998, 09; 1-72
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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