Articles by Author: Jm Campion

Search results for Jm Campion

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  1. Application of the 3-PG model to a <em>Eucalyptus grandis</em> stand subjected to varying levels of water and nutritional constraints in KwaZulu-Natal, South Africa

    Application of the 3-PG model to a <em>Eucalyptus grandis</em> stand subjected to varying levels of water and nutritional constraints in KwaZulu-Natal, South Africa

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    The 3-PG model has shown considerable potential as a tool for predicting forest productivity. As part of a model validation exercise, 3-PG was applied to an irrigated and fertilised Eucalyptus grandis stand in the KwaZulu-Natal Midlands. Simulations were run over...
  2. Modelling maximum canopy conductance and transpiration in <em>Eucalyptus grandis</em> stands not subjected to soil water deficits

    Modelling maximum canopy conductance and transpiration in <em>Eucalyptus grandis</em> stands not subjected to soil water deficits

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    There is much current interest in predicting the maximum amount of water that can be transpired by Eucalyptus trees. It is possible that industrial waste water may be applied as irrigation water to eucalypts and it is important to predict...
  3. The effects of mid- and late-rotation fertiliser application on tree growth and wood quality in softwood saw-timber stands: a critical review

    The effects of mid- and late-rotation fertiliser application on tree growth and wood quality in softwood saw-timber stands: a critical review

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    The economic benefits of mid- and late-rotation fertiliser application in saw-timber stands are well documented. These benefits are significantly related to a reduction in the length of the compound interest period over which the investment in fertiliser is carried, compared...
  4. Diagnosing foliar nutrient dynamics of <em>Eucalyptus grandis</em> in KwaZulu-Natal, South Africa, using optimal element ratios and the diagnosis and recommendation integrated system (DRIS)

    Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal
    Fertilisation is one of the most cost-effective methods of increasing and maintaining the productivity of Eucalyptus grandis plantations in South Africa. This silvicultural practice can be optimised by using the foliar nutrient ratios measured in plants at maximum growth as...