Articles by Author: Dirk L Auml Ngin

Search results for Dirk L Auml Ngin

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  1. The socioeconomic impact of the phasing out of plantations in the Western and Southern Cape regions of South Africa

    The socioeconomic impact of the phasing out of plantations in the Western and Southern Cape regions of South Africa

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    This study investigates the possible socioeconomic impact of the phasing out of nearly 22 500 ha of plantations within the Southern and Western Cape regions of South Africa as a result of a decision made by government in 2000. Data...
  2. The impact of mechanical log surface damage on chip size uniformity during debranching and debarking <em>Eucalyptus</em> pulpwood logs using a single-grip harvester

    The impact of mechanical log surface damage on chip size uniformity during debranching and debarking <em>Eucalyptus</em> pulpwood logs using a single-grip harvester

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    Mechanised harvesting operations are becoming more prevalent in South Africa with the realisation that motormanual and manual harvesting operations pose significant health and safety risks to workers. The damage inflicted by single-grip harvester feed rollers and delimbing knives on log...
  3. Veld management in the proposed valley of 1 000 hills nature reserve

    Veld management in the proposed valley of 1 000 hills nature reserve

    A nature reserve has been planned for the southern edge of the Valley of 1 000 Hills in Natal. The animals which it is intended to re‐introduce are discussed. A management system intended to maintain the present plant communities is...
  4. Veld management in the Umgeni valley nature reserve

    Veld management in the Umgeni valley nature reserve

    A nature reserve in the gorge of the Umgeni River below the Howick Falls in Natal was acquired by The Wildlife Society of Southern Africa in 1974. The species and numbers of animals to be stocked are suggested and an...
  5. Urease-aktiwiteite in gronde van die sentrale besproeiingsgebiede in Suid-Afrika

    Urease-aktiwiteite in gronde van die sentrale besproeiingsgebiede in Suid-Afrika

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Die oogmerk met die studie was om die omvang van urease-aktiwiteite in die besproeide gronde vas te stel en watter grondparameters dit beïnvloed. Die verloop van hidrolise is in agt gronde, afkomstig van die sentrale besproeiingsgebiede, gemonitor na toediening van...
  6. Inhibering van urease-aktiwiteite in sekere gronde van die sentrale besproeiingsgebiede in Suid-Afrika

    Inhibering van urease-aktiwiteite in sekere gronde van die sentrale besproeiingsgebiede in Suid-Afrika

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Die verloop van hidrolise is in vier gronde met verskillende urease-aktiwiteite, afkomstig van die sentrale besproeiingsgebiede, gemonitor na toediening van ureum teen die ekwivalent van 100 kg N ha−1. Gelyktydig met die toediening van ureum is sewe belowende inhibeerders ook...
  7. Effek van ureumkonsentrasies op die urease-aktiwiteite in gronde van die sentrale besproeiingsgebiede in Suid-Afrika

    Effek van ureumkonsentrasies op die urease-aktiwiteite in gronde van die sentrale besproeiingsgebiede in Suid-Afrika

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Die oogmerk met die studie was om vas te stel by watter ureumkonsentrasies die urease In die besproeide gronde versadlg of geinhibeer word. Die verloop van hldrolise is In ses gronde met verskillende urease-aktiwi- teite gemonitor na toediening van ureum...
  8. FOREST HYDROLOGICAL RESEARCH AT THE CATHEDRAL PEAK RESEARCH STATION

    Item type: Journal Article • Journal: Journal of the South African Forestry Association
    The Cathedral Peak Forest Influences Research Station was established in Natal in 1938 to determine the effect of exotic conifer plantations on water supplies.