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Wyszukujesz frazę "soil aeration" wg kryterium: Temat

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Aeration status of some Slovakian soils
    Autorzy:
    Stepniewska, Z.
    Brzezinska, M.
    Glinski, J.
    Stepniewski, W.
    Wlodarczyk, T.
    Curlik, J.
    Houskova, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/25255.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    air permeability
    catalase activity
    water tension
    aeration
    soil
    Slovak Republic
    dehydrogenase activity
    soil aeration status
    agrophysics
    Źródło:
    International Agrophysics; 2000, 14, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterisctics of aeration properties of Orthic Luvisol from Poland under different land use
    Autorzy:
    Stepniewski, W.
    Stepniewska, Z.
    Przywara, G.
    Brzezinska, M.
    Wlodarczyk, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/24066.pdf
    Data publikacji:
    2000
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    catalase activity
    soil aeration
    Polska
    aeration
    oxygen diffusion rate
    oxygen diffusion coefficient
    gas diffusion coefficient
    redox potential
    dehydrogenase activity
    aeration parameter
    soil moisture
    Źródło:
    International Agrophysics; 2000, 14, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Soil aeration status of some Austrian soils
    Autorzy:
    Stepniewska, Z.
    Glinski, J.
    Wlodarczyk, T.
    Brzezinska, M.
    Blum, W.E.H.
    Rampazzo, N.
    Wimmer, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/24641.pdf
    Data publikacji:
    1997
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    air permeability
    soil aeration
    aeration
    oxygen diffusion
    Austrian soil
    physical condition
    measurement method
    dehydrogenase activity
    soil moisture
    water content
    climate change
    Austria
    Źródło:
    International Agrophysics; 1997, 11, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of soil physical quality in dominant series of calcareous soils in south-west of Iran
    Autorzy:
    Meskini-Vishkaee, Fatemeh
    Jafarnejadi, Ali Reza
    Mousavi-Fazl, Mohammad Hadi
    Powiązania:
    https://bibliotekanauki.pl/articles/2088190.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    aeration
    macroporosity
    soil available water
    S index
    Opis:
    Calcareous soils are widely spread in arid and semiarid regions. Carbonates can affect soil quality by influencing soil pH, structure and soil available water. There are lots of calcareous soils in Iran and especially Khuzestan province, so, providing sustainable agriculture evaluating the soil quality is essential. This study was done to evaluate the soil physical quality in dominant calcareous soil series in Khuzestan province, Iran. Soil physical quality indicators, including Dexter's S index, air capacity, soil available water capacity, relative water capacity and macroporosity were calculated. The results showed that, based on Dexter's S index, only one calcareous soil series had a poor physical quality (S < 0.035). However, the simultaneous evaluation of different soil quality indicators showed that 56 % and 22 % of studied calcareous soil series had limited aeration and soil available water, respectively. While the weakest soil physical quality was related to the southeastern soil of Ahvaz, with both aeration and soil available water limitations. The results showed that the proper assessment of soil physical quality in calcareous soils requires considering more physical indicators than just Dexter's S index related to soil aeration condition including air capacity and macroporosity.
    Źródło:
    Polish Journal of Soil Science; 2020, 53, 2; 225-243
    0079-2985
    Pojawia się w:
    Polish Journal of Soil Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Response of spring barley to changes of compaction and aeration of sandy soil under model conditions
    Autorzy:
    Czyz, E.A.
    Tomaszewska, J.
    Dexter, A.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/26019.pdf
    Data publikacji:
    2001
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    aeration
    oxygen diffusion rate
    soil
    sandy soil
    compaction
    yield
    root growth
    barley
    soil compaction
    soil bulk density
    spring barley
    model condition
    Źródło:
    International Agrophysics; 2001, 15, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wplyw zlokalizowanego stresu tlenowego w glebie na rozwoj korzeni i czesci nadziemnych kukurydzy [ modelowe badania rizotronowe ]
    Effect of localized soil oxygen stress on root and shoot development in maize ( a model rhizotrone study)
    Autorzy:
    Bennicelli, R P
    Powiązania:
    https://bibliotekanauki.pl/articles/1628361.pdf
    Data publikacji:
    1994
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    agrofizyka
    gleby
    kukurydza
    system korzeniowy
    wzrost roslin
    badania modelowe
    badania rizotronowe
    dynamika rozwoju
    powietrze glebowe
    aeracja
    stres tlenowy
    agrophysics
    soil
    maize
    root system
    plant growth
    model research
    development dynamics
    soil air
    aeration
    oxygen stress
    Opis:
    The aim of the study was to test the usefulness of split rhizotrone technique to investigate the effect of localized soil anoxia on root and shoot developement, using maize as a test plant. The experiment was performed in 6 split rhizotrons enabling differentiation of soil aeration status in each half of the rhizotron by blowing nitrogen or air through them. The rhizotrone consists of two parts (each 16.6 dm3 in volume) inclined with an angle 60°. Each part is constructed of 1 mm thick stainless steel plate with a glass inner wall for root observation and has dimensions 84 cm x 40.5 cm x 5.0 cm. The rhizotrons were filled in with a brown loess soil material (Eutric Camhisol) from Ap horizon (from Eli/6wka, near Lublin). Maize seedlings with the roots splitted between the rhizotrone halves (eukivars KLG 2210 and DEA) were used in the experiments. Until the stress period the soil moisture tension of 20-80 kPa provided good water and air conditions. At a stage of 8 leaves three treatments were applied for a period of 7 days; an oxic control (P/P), a localized anoxia with 50% of the roots in nitrogen treated part (P/A), and a complete anoxia (A/A) with gas nitrogen in both parts. During the stress period diurnal elongation rates of primary roots (by marking positions of the tips each day) as well as distribution of two indicators of soil oxygenation status with depth viz. of oxygen diffusion rate (ODR) and of redox potential (Eh) in soil were measured. Shoot elongation rates were monitored with a potentiometer attached to the youngest leaf. Microscopic photographs of cross- sections of the caps and of apical meristems of primary roots at 400 magnification were made to show the changes in their anatomy due to anoxia. Chemical analysis of the shoots was performed after the stress period. For each cultivar the experiment was repeated three times. The investigations performed allowed the following conclusions to be drown out: 1. The split rhizotrone was shown to be a useful technique to study behaviour of the primary maize roots under localized anoxia conditions. 2. The ODR and Eh distribution with depth showed deterioration of oxygenation status (drop of ODR from control values above 100 |µg m-2 s-1 to the level 30 µg m-2 s-1, decrease of Eh from control values above 550 mV to the level, 300 mV) due to replacement of the soil air with gaseous nitrogen. 3. Root elongation rates under anoxic conditions (both under complete - A/A, and localized - A/P anoxia) were on the level of about 50% of the controle (P/P) during first 4 days and decreased practically to zero by the end of the stress period. In turn, the oxic part of the rhizotrone combined with localized anoxia treatment of the same plant (P/A) exhibited compensation effect and was characterized by stimulation of the root elongation rate up to 80%. This effect was especially distinct after 2-5 days of the stress duration and then tended to decrease. 4Distribution of the root mass in depth under anoxic treatments was characterized by concentration of about 80% of the root mass within first 10 cm of the soil. 5.Microscopic photographs of the root tips showed, under anoxic conditions, shorter meristematic zone, smaller number of mitosis, beginning of aerenchyma formation and dying of the cells at a distance of 1 mm from the root cap. 6.The shoots responded to applying anoxia to both rhizotrone parts by 20% reduction of the growth rate. 7.Both root and shoot elongation rates were correlated also with the temperature. 8.Oxygen deficiency in soil resulted in an increase of exchangeable manganese, what was reflected by its increased concentration in the maize shoots.
    Źródło:
    Acta Agrophysica; 1994, 03; 3-72
    1234-4125
    Pojawia się w:
    Acta Agrophysica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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