Articles by Author: A R J Morrison

Search results for A R J Morrison

We found 10 results for you
  1. A deep rooted white clover for South African conditions

    A deep rooted white clover for South African conditions

    In the summer rainfall regions of South Africa the presently available cultivars of white clover (Trifolium repens L.) are typically short‐lived when grown on dryland. They have a shallow root system, which in part may be due to their intolerance...
  2. Growth patterns of Italian ryegrass cultivars established in different seasons

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    A comparison is made between various Italian ryegrass cultivars established under irrigation on a well‐drained upland site during the traditional autumn months, with plantings of the same cultivars at other times of the year.
  3. Selecting for palatability in <em>festuca arundinacea</em> schreb

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    Plants of numerous Festuca arundinacea cultivars and strains were evaluated for palatability, using two methods; a relative softness of leaf technique and a grazing technique. The softness of leaf technique, as measured by hand, provided a useful method to distinguish...
  4. Conservation priorities for the Blue Crane (<em>Anthropoides paradiseus</em>) in South Africa — the effects of habitat changes on distribution and numbers

    Conservation priorities for the Blue Crane (<em>Anthropoides paradiseus</em>) in South Africa — the effects of habitat changes on distribution and numbers

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Detailed knowledge on population numbers, habitat preferences and threats is lacking for the Blue Crane (Anthropoides paradiseus), which is endemic to southern Africa and is South Africa's national bird. Using the South African Bird Atlas Project Blue Crane distribution as...
  5. The economic cost of unreliable grid power in Nigeria

    The economic cost of unreliable grid power in Nigeria

    The ever-increasing demand for electrical power in Nigeria, coupled with a limited supply, have restricted the nation's socioeconomic development. The country’s policymakers, aware of this, have formulated and enacted energy development policies in recent years targeted at diversifying the current...