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Wyszukujesz frazę "soil pore distribution" wg kryterium: Temat

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    Tytuł:
    Pore size distribution and amount of water available for plants in arable soils of Poland
    Autorzy:
    Witkowska-Walczak, B.
    Walczak, R.
    Ostrowski, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/24057.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    Polska
    pore size
    soil
    porosity
    water availability
    distribution
    arable soil
    plant
    Źródło:
    International Agrophysics; 2003, 17, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water conductivity of Arctic zone soils (Spitsbergen)
    Autorzy:
    Witkowska-Walczak, B.
    Slawinski, C.
    Bartminski, P.
    Melke, J.
    Cymerman, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/25209.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    water conductivity
    soil
    grain size
    distribution
    pore size
    Arctic zone
    Spitsbergen
    Opis:
    The water conductivity of arctic zone soils derived in different micro-relief forms was determined. The greatest water conductivity at the 0-5 cm depth for the higher values of water potentials (> -7 kJ m-3) was shown by tundra polygons (Brunic-Turbic Cryosol, Arenic) – 904-0.09 cm day-1, whereas the lowest were exhibited by Turbic Cryosols – 95-0.05 cm day-1. Between -16 and -100 kJ m-3, the water conductivity for tundra polygons rapidly decreased to 0.0001 cm day-1, whereas their decrease for the other forms was much lower and in consequence the values were 0.007, 0.04, and 0.01 cm day-1 for the mud boils (Turbic Cryosol (Siltic, Skeletic)), cell forms (Turbic Cryosol (Siltic, Skeletic)), and sorted circles (Turbic Cryosol (Skeletic)), respectively. In the 10-15 cm layer, the shape of water conducti-vity curves for the higher values of water potentials is nearly the same as for the upper layer. Similarly, the water conductivity is the highest – 0.2 cm day-1 for tundra polygons. For the lower water potentials, the differences in water conductivity increase to the decrease of soil water potential. At the lowest potential the water conductivity is the highest for sorted circles – 0.02 cm day-1 and the lowest in tundra polygons – 0.00002 cm day-1.
    Źródło:
    International Agrophysics; 2014, 28, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possible effects of soil contamination by light non-aqueous phase liquids [LNAPLs] on soil water parameters and their consequences
    Autorzy:
    Becher, H.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/24436.pdf
    Data publikacji:
    2002
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    surface tension
    soil profile
    soil water
    pore size
    Germany
    water regime
    distribution
    water retention
    soil contamination
    Źródło:
    International Agrophysics; 2002, 16, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of wood-derived biochar on the hydraulic characteristics of compacted soils: Its influence on simulated farmland carbon sequestration
    Autorzy:
    Ahmed, A.
    Kurian, J.
    Satyanarayana, S.
    Raghavan, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/2083067.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    soil biochar mixture
    water retention
    pore-size
    distribution
    hydraulic conductivity
    carbon sequestration
    Opis:
    The addition of biochar is often proposed to increase agricultural soil quality and crop yield, while at the same time sequestering carbon from the atmosphere to help mitigate global climate change. In this research, the pore-size distribution, and saturated hydraulic conductivity of sandy loam and clay loam soils amended with varying dosages (0-10% dry basis) and two different particle sizes (0.5-420 μm (PS1) or 421-841 μm (PS2)) of wood-derived biochar were investigated under compacted conditions (5, 10, or 15 standard Proctor rammer blows (5B, 10B, or 15B, respectively)). In the 5B compacted SL (SL-5B) soil, the volume of the soil fissures and transmission pores decreased, while the volume of the storage pores (SP) increased with increasing wood-derived biochar dosage. 23.1±0.9% of the volume of the 5B compacted clay loam (CL-5B) are storage pores, this value increased to 27.4±2.0% upon amendment with 10% PS1. The saturated hydraulic conductivity of the sandy loam-5B soil amended with 10% PS1 decreased from 6.8±0.3 to 0.80±0.03 mm h-1. The sandy loam farmland C emissions decreased by 0.071 tC ha-1 y-1, whereas CL farmland C emissions decreased by 0.091 tC ha-1 y-1.
    Źródło:
    International Agrophysics; 2021, 35, 2; 167-177
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulating particle packing for soil porosity investigations
    Autorzy:
    Czachor, H.
    Konstankiewicz, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2056984.pdf
    Data publikacji:
    1995
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    moisture
    packing
    grain size
    soil
    pore
    particle packing
    capillary pressure
    porosity
    distribution
    Źródło:
    International Agrophysics; 1995, 09, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of image analysis for evaluation of mercury intrusion porosimetry results
    Autorzy:
    Kozak, E.
    Pezda, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/26305.pdf
    Data publikacji:
    1995
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    quantitative method
    convenient method
    pore size
    soil aggregate
    mercury intrusion
    distribution
    image analysis
    Źródło:
    International Agrophysics; 1995, 09, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in pore size distribution and aggregate stability of two soils under long term tillage systems
    Autorzy:
    Pranagal, J.
    Lipiec, J.
    Domzal, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/25263.pdf
    Data publikacji:
    2005
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    bulk density
    long-term tillage system
    pore size
    change
    soil
    distribution
    aggregate stability
    tillage system
    Źródło:
    International Agrophysics; 2005, 19, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of marble powder amendment on hydraulic properties of a sandy soil
    Autorzy:
    Farhadi-Machekposhti, M.
    Valdes-Abellan, J.
    Pla, C.
    Benavente, D.
    Pachepsky, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082885.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    saturated hydraulic conductivity
    soil water
    retention curve
    field capacity
    plant available water
    pore size
    distribution
    Opis:
    Marble powder is one of carbonate rock amendments that is used to improve soil reaction. We hypothesized that the powdered marble addition can cause favorable changes in hydraulic properties of sandy soils. Six levels of marble powder addition to an aridisol soil (0%; M0; 5%; M5; 10%; M10; 15%; M15; 20%; M20 and 25%, M25; by bulk volume) were analyzed in triplicate. The saturated hydraulic conductivity and soil water retention curves were obtained. Pore space properties were investigated using soil water retention curves, mercury intrusion porosimetry and scanning electron microscopy. The saturated hydraulic conductivity significantly decreased (between 83 and 97% for M5 and M25 respectively) and parameters α and n of the van Genuchten model significantly decreased in marble-amended soils. Both field capacity and permanent wilting point increased with the addition of marble powder. Plant-available water, increased significantly until 10% of marble powder application; higher percentages of application did not provide additional significant changes in the plant-available water. Pore space distributions from soil water retention curves parameters showed an increase in the pore size range and a decrease in the average pore size; pore space distribution from the scanning electron microscopy also showed the presence of a new family of dominant pore sizes which was not detected by the soil water retention curves parameters approach. It was concluded that the addition of marble powder can improve the ability of soil to store water providing an advantage for irrigation water management in water scarce environments. Further research will have to address the impact of marble powder amendment under field semi-arid conditions.
    Źródło:
    International Agrophysics; 2020, 34, 2; 223-232
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Porosity and water useful for plants in Luvisols created from sandy silt and silt
    Autorzy:
    Witkowska-Walczak, B.
    Turski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/25087.pdf
    Data publikacji:
    2004
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    silt
    sandy-silt
    pore size
    soil
    development
    crop yield
    plant growth
    porosity
    water regime
    distribution
    water balance
    Źródło:
    International Agrophysics; 2004, 18, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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