Articles by Author: J L Phillips

Search results for J L Phillips

We found 14 results for you
  1. The Genera <em>Cylindrocladium</em> and <em>Cylindrocladiella</em> in South Africa, with Special Reference to Forest Nurseries

    Item type: Journal Article • Journal: South African Forestry Journal
    Species of Cylindrocladium and Cylindrocladiella are widely distributed throughout the world and are known to be Important pathogens of numerous angiosperm and gymnosperm hosts. Several species are notorious pathogens in nurseries, and have frequently been found on tree genera such...
  2. Effect of simulated acid rain and sulphur nutrition on the growth, sulphate and cation content of <em>Bromus diandrus</em> Roth.

    Effect of simulated acid rain and sulphur nutrition on the growth, sulphate and cation content of <em>Bromus diandrus</em> Roth.

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Bromus diandrus seedlings were grown in sand culture under greenhouse conditions, using a two factor randomized block design. Two levels of sulphur nutrition (with and without) and three acid rain treatments were applied. The plants were harvested 45 days after...
  3. THEOREMS AD INFINITUM

    THEOREMS AD INFINITUM

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    The theorems of a first order theory can be partially ordered according to their strength. As a Consequence of two famous theorems of Gödel. the order turns out to be dense. This consequence is either disastrous or amusing, according to...
  4. Effect of management factors on tiller dynamics in tall fescue: Tiller initiation

    Effect of management factors on tiller dynamics in tall fescue: Tiller initiation

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    The effect of plant density (row spacing / seeding rate), nitrogen (N) fertilization, cultivar choice and close‐down date on tiller initiation in tall fescue (Festuca arundinacea Schreb.), managed for seed production, was examined over two years. In the first season,...
  5. Effect of management factors on tiller dynamics in tall fescue: Tiller mortality

    Effect of management factors on tiller dynamics in tall fescue: Tiller mortality

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    The effect of plant density (row spacing / seeding rate), cultivar choice, nitrogen (N) fertilization and close‐down date on tiller mortality in a dual purpose (forage and seed) tall fescue (Festuca arundinacea Schreb.) sward was examined over a two‐year period...
  6. Effect of management factors on tiller dynamics in tall fescue: Numbers of tillers reaching reproductive maturity

    Effect of management factors on tiller dynamics in tall fescue: Numbers of tillers reaching reproductive maturity

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    The effect of plant density (row spacing / seeding rate), cultivar choice, nitrogen (N) fertilization and close‐down date on the number of reproductive tillers surviving to maturity in tall fescue (Festuca arundinacea Schreb.) was examined over a two‐year period. A...
  7. Psychofortology of Women Undergoing Infertility Treatment

    Psychofortology of Women Undergoing Infertility Treatment

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study explored the coping and subjective well-being of women undergoing infertility treatment. Participants were 61 South African women attending a fertility clinic was selected by means of non- probability purposive sampling (mean age = 34.5). Data were gathered by...
  8. Community-Based Participatory Research a Low-Income Setting: An Illustrative Case of Study

    Community-Based Participatory Research a Low-Income Setting: An Illustrative Case of Study

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This article describes a community-based participatory research (CBPR) approach in a low-income setting. Using the SCRATCHMAPS project as a case example and with literature control, we show that CBPR is influenced by dynamics relating to knowledge and power, resources and...