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Wyświetlanie 1-3 z 3
Tytuł:
Geomorphological conditions of water-air properties in the silt soils from the edge zone of the Carpathian Foothills
Autorzy:
Klimek, M
Zaleski, T.
Niemyska-Lukaszuk, J.
Powiązania:
https://bibliotekanauki.pl/articles/1401888.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
Carpathian foot-hills
retention
air property
geomorphology
soil
relief
water property
condition
porosity
silt soil
Opis:
In this paper an attempt to estimate the influence of the relief on the selected physical soil properties from the edge zone of the Carpathian Foothills has been presented.Differentiation of water-air properties related to the location on the slope was evaluated.It results from, both, the main soil forming process-lessivage, erosion and accumulative changes in the morphology of the soil profile.Soils lessives situated on tops and slopes less prone to erosion are characterised by deeper eluvial horizons - luvic with a higher total porosity and water retention in comparison to illuvial horizons - argillic. Eroded lessivé soils occur on the slopes prone to erosion with the argillic horizon outeropped to the surface which determins their properties in the whole soil profile, first of all, their porosity is low and they have a limited capacity for water retention. Gley soils occur in the valley bottoms and synclines of slopes. They arc characterised by higher total porosity and retention in the whole profile in comparison to the lessivé soils.
Źródło:
Acta Agrophysica; 2000, 35; 93-98
1234-4125
Pojawia się w:
Acta Agrophysica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of wood-derived biochar on the compactibility and strength of silt loam soil
Autorzy:
Ahmed, Ahmed
Gariepy, Yvan
Raghavan, Vijaya
Powiązania:
https://bibliotekanauki.pl/articles/973197.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
biochar
particle size
bulk density
proctor
compaction
plastic and liquid limit
penetration resistance
soil
shear strength
Opis:
Biochar is proven to enhance soil fertility and increase crop productivity. Given that the influence of biochar on soil compaction remains unclear, selected physico-mechanical properties of soil amended with wood-derived biochar were assessed. For unamended silt loam, the bulk density, maximum bulk density, optimum moisture content, plastic limit, liquid limit, and plasticity index were 1.05 Mg m-3, 1.69 Mg m-3, 16.55, 17.1, 29.3, and 12.2%, respectively. The penetration resistance and shear strength of the unamended silt loam compacted in the standard compaction Proctor mold and at its optimum moisture content were 1800 kPa and 850 kPa, respectively. Results from amending the silt loam with 10% particle size ranges (0.5-212 μm) led to relative decreases of 18.1, 17.75, 66.66, and 97.4% in bulk density, maximum bulk density, penetration resistance, and shear strength, respectively; a 26.8% relative increase in optimum moisture content; along with absolute increases in plastic limit, liquid limit, and plasticity index of 5.3, 13.7, and 8.4%, respectively. While the biochar-amended silt loam soil was more susceptible to compaction, however, soil mechanical impedance enhanced.
Źródło:
International Agrophysics; 2017, 31, 2; 149-155
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
    Wyświetlanie 1-3 z 3

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