Articles by Keyword: Intensive Silviculture

Search results for Intensive Silviculture

We found 26 results for you
  1. Effects of site management operations on the nutrient capital of a eucalypt plantation system in South Africa

    Effects of site management operations on the nutrient capital of a eucalypt plantation system in South Africa

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    The Karklo of Project is a case study ofthe effects ofintensive site management operations during the interrotational period, on (a) the nutrient capital of the system, and (b) the availability of growth resources (nutrients and water) in a commercial Eucalyptus...
  2. Productivity gains by fertilisation in <em>Eucalyptus urophylla</em> clonal plantations across gradients in site and stand conditions

    Productivity gains by fertilisation in <em>Eucalyptus urophylla</em> clonal plantations across gradients in site and stand conditions

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    Nutrition management in Eucalyptus plantations is fundamental for sustaining high production. Fertilisation is routinely used to improve tree nutrition, providing profitable returns on large investments. Growth responses to fertilisation differ dramatically among sites, however, so efficient investment decisions in fertilisation...
  3. The significance of residual phosphorus and potassium fertiliser in countering yield decline in a fourth rotation of <em>Pinus patula</em> in Swaziland

    Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal
    Research into the sustained production from short rotations of Pinus patula on the Usutu plantation has shown that operational application of P and K fertiliser corrected the 20% growth decline that was observed between first and second rotations on about...
  4. Precision forestry for pulpwood re-establishment silviculture

    Precision forestry for pulpwood re-establishment silviculture

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    The Southern African pulp and paper industry has a strong export focus and operates in an open global market. In a global context, wood is a commodity product and an ongoing strategy of reduction in the unit cost of timber...
  5. Forecasting volume and economic gains from intensive plantation management using different response curves

    Forecasting volume and economic gains from intensive plantation management using different response curves

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Proponents of intensive plantation management do not all use the same type of response curves when predicting future volume gains. As a result, some believe that continuously increasing the intensity of management will increase landowner profits and reduce the unit...
  6. The effect of planting density on the wood quality of South African-grown <em>Eucalyptus grandis</em>

    The effect of planting density on the wood quality of South African-grown <em>Eucalyptus grandis</em>

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    This paper presents the results of a wood property and sawn board quality study performed on disc samples and sawlogs taken from a 23-year-old Eucalyptus grandis Nelder 1a spacing trial at J.D.M. Keet plantation near Tzaneen. Ten trees from each...
  7. Silviculture and Genetics of <em>Pinus kesiya</em> for Planting Degraded Pasture Land

    Silviculture and Genetics of <em>Pinus kesiya</em> for Planting Degraded Pasture Land

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    The conifer species, Pinus kesiya Royle ex Gordon, is an important part of the ecology within the indigenous range of South-east Asia as well as in sustainably managed plantations in a number of countries. Planting with the species in Colombia...
  8. The effect of crowding density on growth, food conversion ratio and survival of juvenile dusky kob <em>Argyrosomus japonicus</em> (Teleostei: Sciaenidae)

    The effect of crowding density on growth, food conversion ratio and survival of juvenile dusky kob <em>Argyrosomus japonicus</em> (Teleostei: Sciaenidae)

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Dusky kob or mulloway Argyrosomus japonicus is a potential aquaculture candidate, but data on growth of this species in South Africa are missing. To determine the effect of crowding density (kg m−3) on growth, survival and food conversion ratio, juvenile...
  9. Operational deployment of genetic gain

    Operational deployment of genetic gain

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Tree improvement is central to increasing plantation productivity per unit land area in many countries that rely on an exotic fast grown plantation resource as a source of wood and fibre. In order to achieve an acceptable return on the...