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    Tytuł:
    Quantitative analysis of physical and chemical attribute of soil around power-line dumpsite at Boji-Boji Owa, Delta State, Nigeria
    Autorzy:
    Ulakpa, Ruth Oghenerukevwe Eyankware
    Ulakpa, Wisdom Chukwuemeke
    Eyankware, Moses Oghenenyoreme
    Powiązania:
    https://bibliotekanauki.pl/articles/1031480.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Boji-Boji Owa
    Cation exchange capacity
    Delta State
    Exchangeable cation
    Nigeria
    Solid waste
    dumpsite
    Opis:
    The study ascertains some physiochemical properties of soils around Power-line dumpsite at Boji-Boji Owa, Delta State, Nigeria. In order to evaluate the effects of municipal solid waste dumpsites on soils, soil samples were collected with the aid of a graduated soil auger at depths of 0 – 10 cm, 15 – 25 cm and 25 – 40 cm, representing top to sub and bottom soil sand also 500 m away from dumpsites which serves as control site (R). Samples were taken for laboratory analyses to determine the level of physiochemical properties such as: pH, grain size distribution, Electrical Conductivity (Ec), Organic Carbon (OC), Organic Matter (OM), Available Phosphorous (Av. P), Overall Nitrogen (ON), Basic Cations and Cation Exchange Capacity (CEC) in soils. Results obtained from the study, revealed that values between waste dumpsite and control site were significantly different. Findings showed that the pH value in sampled soils from studied dumpsites ranged from 6.22±0.06 and 7.97±0.04 while the mean pH value for controlled site was 39.8±0.08. The increase in the pH value of the sampled soil indicated an increase in CEC mean value of soil which ranged from 4.73±0.30 and 10.28±0.46 mEq/100 g while a low pH indicated low CEC mean value of 1.50±0.22 mEq/100 g. This is because there exists a positively significant relationship between pH, OC, OM, Av.P, ON, basic cations and CEC. As Ec varied between 692±4.50 to 918±4.03 μScm-1, OC varied between 0.05±0.00 to 0.64±0.03%, OM varied between 0.10±0.06 to 0.57±0.07%, Av.P varied between 8.98±0.06 to 25.36±0.22 mg/kg and ON varied between 0.44±0.01 to 0.93±0.03% across all studied dumpsites.
    Źródło:
    World News of Natural Sciences; 2021, 35; 118-134
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Tell el-Murra. The Polish Archaeological Survey in Ash-Sharqiyyah Governorate (Egypt, the Nile Delta)
    Autorzy:
    Jucha, Mariusz
    Powiązania:
    https://bibliotekanauki.pl/articles/442521.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Jagielloński. Instytut Archeologii
    Tematy:
    Nile Delta
    Tell el-Murra
    surface surveys
    early Egyptian state
    Opis:
    In the light of new finds (especially from Tell el-Farkha) it seems that the Nile Delta sites had great significance not only in developing contacts between Egypt and Canaan but also in the process which finally led to the formation of the Egyptian state. It is also obvious that a number of sites of that period occur in that region (especially in the North-Eastern part of the Nile Delta). Several of them were localized during the surveys conducted in the discussed area almost twenty years ago but only a few of them were later researched archaeologically. Further data concerning the early history of the Nile Delta were obtained recently (2008) during the Polish Archaeological Survey in Ash-Sharqiyyah Governorate. The results of the survey were quite promising. Of the six sites visited, two yielded pottery material from the beginning of the Egyptian state. Of these two, the site of Tell el-Murra seems to be most suitable for further research due to the good state of preservation, the results of geophysical research and geological core drillings as well as the chronology of the material found on the surface.
    Źródło:
    Recherches Archéologiques Nouvelle Serie; 2010, 2; 229-238
    0137-3285
    Pojawia się w:
    Recherches Archéologiques Nouvelle Serie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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