Articles by Author: Ahmed A Kandil

Search results for Ahmed A Kandil

We found 39 results for you
  1. Effect of frequency and height of cutting on growth parameters of <em>Acacia saligna</em> in Egypt

    Effect of frequency and height of cutting on growth parameters of <em>Acacia saligna</em> in Egypt

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    To revegetate acacia trees in saline desert sandy soils, field experiments were conducted to study the effect of cutting frequency and height on Acacia saligna productivity during 2014, 2015 and 2016. The tallest plants, thickest stems and highest values for...
  2. Estimation of thrips (<em>Fulmekiola serrata</em> Kobus) density in sugarcane using leaf-level hyperspectral data

    Estimation of thrips (<em>Fulmekiola serrata</em> Kobus) density in sugarcane using leaf-level hyperspectral data

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The aim of this study was to investigate the potential use of leaf-level hyperspectral data to predict the density of sugarcane thrips Fulmekiola serrata (Kobus). A hand-held spectroradiometer was used to make the spectral measurements on spindle leaves of 4-...
  3. Some properties and expansions associated with the <em>q</em>-digamma function

    Some properties and expansions associated with the <em>q</em>-digamma function

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    This paper is devoted to derive some properties and expansions associated with the q-digamma function. The Newton series which is consisting of terms of forward difference operator, is established for the q-digamma function. The maltiplication formula of the q-gamma function...
  4. Knowledge, attitudes and perceptions of HIV/AIDS among traditional birth attendants and herbal practitioners in Lagos State, Nigeria

    Knowledge, attitudes and perceptions of HIV/AIDS among traditional birth attendants and herbal practitioners in Lagos State, Nigeria

    Item type: Journal Article • Journal: African Journal of AIDS Research
    Recognising the widespread role of traditional birth attendants (TBAs) and herbal practitioners (HPs) in health care at community level in Nigeria, we set out to assess their knowledge, attitudes and practices in relation to HIV infection and prevention. Questionnaires were...
  5. Why HIV/AIDS should be treated as exceptional: arguments from sub-Saharan Africa and Eastern Europe

    Why HIV/AIDS should be treated as exceptional: arguments from sub-Saharan Africa and Eastern Europe

    Item type: Journal Article • Journal: African Journal of AIDS Research
    The idea that HIV and AIDS gets too much attention and funding emerged in 2008 with a call to end 'AIDS exceptionalism.' This article outlines a short history of AIDS exceptionalism — the idea that HIV and AIDS require a...
  6. Breeding ecology of the Purple Heron <em>Ardea purpurea</em> in Numidia, north-eastern Algeria

    Breeding ecology of the Purple Heron <em>Ardea purpurea</em> in Numidia, north-eastern Algeria

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    During 2002–2007, we assessed the status of the Purple Heron Ardea purpurea in Numidia, Algeria by surveying all the major wetlands in the region. We located six distinct breeding sites; four of these were not previously known. We also investigated...
  7. Development Of Children With Down Syndrome Aged 6—12 Years In Cape Town

    Development Of Children With Down Syndrome Aged 6—12 Years In Cape Town

    The aim of the study was to investigate the developmental functioning of children with Down syndrome aged 6–12 years attending five schools for special education in a prescribed area of Cape Town. The children were evaluated on the Griffiths Scales...
  8. Puffer fish tragedy in Bangladesh: an incident of <em>Takifugu oblongus</em> poisoning in Degholia, Khulna

    Puffer fish tragedy in Bangladesh: an incident of <em>Takifugu oblongus</em> poisoning in Degholia, Khulna

    Item type: Journal Article • Journal: African Journal of Marine Science
    Puffer fish poisoning that occurs occasionally among the rural poor in Bangladesh is mainly caused by freshwater species. A food poisoning incident resulting from the ingestion of the marine puffer Takifugu oblongus occurred at Degholia in the Khulna district of...
  9. Estimating the leaf area index (LAI) of black wattle from Landsat ETM+ satellite imagery

    Estimating the leaf area index (LAI) of black wattle from Landsat ETM+ satellite imagery

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Remote sensing techniques have the potential to provide resource managers with a rapid and economical method of acquiring information related to forest productivity and water use. This study evaluated the utility ofLandsat ETM +satellite imagery to predict canopy attributes ofBlack...
  10. A technique to identify annual growth rings in <em>Eucalyptus grandis</em> usingannual measurements of diameter at breast height and gamma raydensitometry

    A technique to identify annual growth rings in <em>Eucalyptus grandis</em> usingannual measurements of diameter at breast height and gamma raydensitometry

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    Many eucalypt species do not show distinct growth rings because cambial activity does not show a strong response to seasonal variation in climate. Eucalyptus grandis, one of the most important commercial hardwood species in South Africa, is one such example...