Articles by Author: R H Westfall

Search results for R H Westfall

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  1. Veld condition assessments in sour bushveld<sup>1</sup>

    Veld condition assessments in sour bushveld<sup>1</sup>

    The vegetation of the farm “Groothoek” in the Waterberg district of the Transvaal, situated in the Sour Bushveld, was recently studied using the Braun‐Blanquet method. As nested quadrats were used for sampling the vegetation, the condition of the vegetation was...
  2. The development of a leaf tensilmeter for <em>in situ</em> measurement of leaf tensile strength

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    The development of a portable leaf tensilmeter for the in situ measurement of leaf tensile strength is described. Tensile strength is determined by the distortion of strain gauges on modified stripping pliers which are used to break leaf blades. The...
  3. Effects of liming on microbial activity and N mineralization in broiler manure-amended soils from Bizana, Eastern Cape, South Africa

    Effects of liming on microbial activity and N mineralization in broiler manure-amended soils from Bizana, Eastern Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    A laboratory incubation study was conducted to determine the effects of liming on microbial activity and N mineralization in two Bizana soils amended with broiler manure. The experimental layout was a 4 x 3 complete factorial experiment with three replicates,...