Articles by Keyword: Freezing And Thawing

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  1. Changes in soil aggregate stability during simulated weather cycles

    Changes in soil aggregate stability during simulated weather cycles

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    The effects of wetting and drying, and freezing and thawing on the stability of aggregates produced by laboratory manipulation or field tillage were studied on two British soils. Changes in aggregate stability were assessed by turbidimetry, with some information from...
  2. The use of field and artificial freezing studies to assess frost tolerance in natural populations of <em>Pinus oocarpa</em>

    The use of field and artificial freezing studies to assess frost tolerance in natural populations of <em>Pinus oocarpa</em>

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    The susceptibility of Pinus oocarpa to freezing temperatures limits the commercial deployment of the highly productive Pinus patula × P. oocarpa hybrid in South Africa. Identifying P. oocarpa germplasm with increased frost tolerance is important. Twenty-three P. oocarpa provenances, originating...