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    Wyświetlanie 1-5 z 5
    Tytuł:
    Growth Rate and Biomass Production of Entandrophragma angolense (Welw.) Seedlings as Affected by Different Organic Soil Amendments
    Autorzy:
    Ivie, Agboje
    Nosayaba, Ehondor
    Shegun, Imogoh
    Adeyemi, T. O. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1118239.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Entandrophragma angolense
    biomass production
    organic amendment
    seedlings
    Opis:
    Entandrophragma angolense is a tropical tree species with a very slow growth rate. To overcome this barrier, a study on the effect of organic amendment on the growth rate of Entandrophragma angolense seedlings was conducted in the nursery section of the Department of Forestry and Wildlife, University of Benin, Benin City, Nigeria. Herein, 2kg polythene pots, each containing top soil were all amended with Poultry droppings (PRD), Cow dung (CWD) and Compost (CPT) at a ratio of 2:1, while top soil alone served as the control. Employing a completely randomized design (CRD), growth variables were recorded on a fortnight basis. The seedlings were assessed for height, number of leaves and collar diameter for a total period of 20 weeks. Fresh weights and total dry weights of the seedlings were also determined at the end of the experiment. No significant difference (p>0.05) was observed in the effect of organic amendments on the plant mean height and number of leaves throughout the study period, however, a significant difference was observed in collar diameter at 2 weeks after treatment and 12 weeks after treatment alone. Organic amendment was found to influence general biomass production in the specie, although there was no significant difference (p>0.05) in stem biomass production. Conclusively, organic amendment can be said not to have significantly (p>0.05) affected the growth of E. angolense, while this cannot be said of the biomass production, albeit at a low level of significance.
    Źródło:
    World News of Natural Sciences; 2017, 9; 35-44
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of some amendments on leachate properties of a calcareous saline-sodic soil
    Autorzy:
    Yazdanpanah, N.
    Pazira, E.
    Neshat, A.
    Naghavi, H.
    Moezi, A.
    Mahmoodabadi, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/25580.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    leachate property
    soil
    salinity
    sodicity
    leachate
    organic amendment
    gypsum
    mineral amendment
    Źródło:
    International Agrophysics; 2011, 25, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Short-term effects of spent coffee grounds on the physical properties of two Mediterranean agricultural soils
    Autorzy:
    Cervera-Mata, A.
    Martin-Garcia, J.M.
    Delgado, R.
    Parraga, J.
    Sanchez-Maranon, M.
    Delgado, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2082515.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    organic amendment
    soil aggregate stability
    soil water retention
    soil aggregate size
    SEM images
    Opis:
    We investigated the short-term effects of spent coffee grounds on the physical properties of two Mediterranean agricultural soils (Calcisol and Luvisol). The in vitro assay was performed with two spent coffee grounds doses (60 and 240 Mg ha-1), two incubation times (30 and 60 days) and two modalities: with and without lettuce seedlings (Lactuca sativa var. longifolia). Spent coffee grounds addition increased water retention at -33 and -1500 kPa, and decreased bulk density and plant-available water content. With spent coffee grounds, the percentage of macroaggregates increased, the percentage of meso- and microaggregates decreased and the structural stability of all types of aggregates increased. The stereomicroscopy images showed that: the structural aggregates were rounded, the porosity increased by 316%, the structure was ordered into smaller aggregates, the incorporation of spent coffee grounds particles could occur in intraped cracks and spent coffee grounds particles could act as a binding agent. Scanning electron microscopy also showed that spent coffee grounds particles interacted with mineral particles and integrated into soil structure; moreover, fungal hyphae also developed on many spent coffee grounds particles. If spent coffee grounds effects are compared with those described in the literature for other organic amendments, the same trend was observed in most of the soil physical properties although with a different intensity, principally with regard to structural stability.
    Źródło:
    International Agrophysics; 2019, 33, 2; 205-216
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effectiveness of straw mulch on infiltration, splash erosion, runoff and sediment in laboratory conditions
    Wpływ pokrycia gleby ściółką na infiltrację, erozję rozbryzgową, spływ i rumowisko określony w warunkach laboratoryjnych
    Autorzy:
    Gholami, L.
    Banasik, K.
    Sadeghi, S. H.
    Khaledi Darvishan, A.
    Hejduk, L.
    Powiązania:
    https://bibliotekanauki.pl/articles/293080.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    mulch
    organic amendment
    soil and water conservation
    soil moisture
    splash erosion
    erozja rozbryzgowa
    materiał organiczny
    ochrona wody i gleby
    ochronne działanie ściółki
    wilgotność gleby
    Opis:
    Mulches have extraordinary potential in reducing surface runoff, increasing infiltration of water into the soil and decreasing soil erosion. The straw mulches as a biological material, has the ability to be a significant physical barrier against the impact of raindrops and reduce the detachment of soil aggregates. The present study is an attempt to determine the efficiency of straw mulch as conservation treatment in changes in the splash erosion, time-to-runoff, runoff coefficient, infiltration coefficient, time-to-drainage, drainage coefficient, sediment concentration and soil loss. The laboratory experiments have been conducted for sandy-loam soil taken from deforested area, about 15 km of Warsaw west, Poland under lab conditions with simulated rainfall intensities of 60 and 120 mm·h–1, in 4 soil moistures of 12, 25, 33 and 40% and the slope of 9%. Compared with bare treatments, results of straw mulch application showed the significant conservation effects on splash erosion, runoff coefficient, sediment concentration and soil loss and significant enhancement effects on infiltration and drainage. The results of Spearman-Rho correlation showed the significant (p ≤ 0.05) correlation with r = –0.873, 0.873, 0.878 and 0.764 between rainfall intensity and drainage coefficient, downstream splash, sediment concentration and soil loss and with r = –0.976, 0.927 and –0.927 between initial soil moisture content and time-to-runoff, runoff coefficient and infiltration coefficient, respectively.
    Ściółka ze słomy może znacząco zmniejszać spływ powierzchniowy, powodując zwiększenie wsiąkania wody oraz zmniejszając erozję gleby. Ściółka jako materiał organiczny jest barierą redukującą także energię kinetyczną kropel deszczu, zmniejszając odspojenie i ograniczając transport agregatów glebowych. W prezentowanych badaniach podjęto próbę określenia wpływu ściółki ze słomy, jako środka ochronnego, na erozją rozbryzgową, czas do wystąpienia spływu, współczynnik spływu, koncentrację rumowiska i ilość zmywanej gleby. Doświadczenia laboratoryjne przeprowadzono w odniesieniu do piaszczystej gliny, pobranej z miejsca wylesionego, około 15 km na zachód od Warszawy, w symulowanych warunkach natężenia deszczu wynoszącego 60 i 120 mm·h–1, wilgotności początkowej gleby 12, 25, 33 i 40% oraz spadku powierzchni 9%. Porównując te wyniki z wynikami doświadczenia przeprowadzonego w tych samych warunkach z glebą pozbawioną ściółki, wykazano znaczący wpływ redukujący w odniesieniu do erozji rozbryzgowej, współczynnika odpływu, koncentracji rumowiska i ilości zmywanej gleby oraz znaczący wpływ zwiększający wsiąkanie i odpływ podpowierzchniowy.
    Źródło:
    Journal of Water and Land Development; 2014, 22; 51-60
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Vermicomposting with microbial amendment: implications for bioremediation of industrial and agricultural waste
    Autorzy:
    Vyas, Pratibha
    Sharma, Sandeep
    Gupta, Jeena
    Powiązania:
    https://bibliotekanauki.pl/articles/16648101.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    vermicompost
    agricultural and industrial waste
    fungal amendment
    phosphate-solubilizing bacteria
    nitrogen-fixing bacteria
    organic manure
    Opis:
    Improved agricultural practices and rapid industrialization have led to huge waste generation, and the management of this waste is becoming a global concern. The process of vermicomposting has emerged as a method of choice for converting waste into useful manure, with evidence of increase in crop productivity. During vermicomposting, the collective activities of decomposing microorganisms and earthworms lead to the humification of organic/inorganic waste, thereby generating the final product called vermicompost. Different types of industrial wastes such as waste from paper industries, tanneries, sugar mills, and pulp and textile industries have been effectively converted to vermicompost and successfully used to improve plant growth. The vermicompost thus formed was also demonstrated to increase the production of pharmaceutically important plant secondary metabolites such as withanolides and polyunsaturated fatty acids. Microbial amendment with different bacterial and fungal strains during vermicomposting further proves to be beneficial by increasing nitrogen content, decomposing organic waste, providing aeration, and stabilizing the vermicompost. These microorganisms after passing through the earthworm’s intestine increase in numbers in the vermicast, thus becoming enriched in vermicompost, which is particularly important for their use as biofertilizers. The precise role of different microbial pretreatments in improving the quality of vermicompost generated from industrial and agricultural waste is, however, not completely understood. To fill this gap in knowledge, the present article aims to review published literature to highlight the potential of microbial amendment during vermicomposting for bioremediation of industrial and agricultural waste. Microbial pre-composting followed by vermicomposting emerges as an ecofriendly and economical approach for managing agricultural and industrial waste.
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2022, 103, 2; 203-215
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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