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New Zealand Tree Grower, February 2009

  • Dairy run-offs (Access: unrestricted)
    Gabrielle Walton
    Over the last 12 months 28% of farm sales in the Bay of Plenty have been to some form of dairy runoff use. The reasons for purchasing a dairy runoff…
  • In summer, shade rules: The science behind why trees help maintain dairy productivity (Access: unrestricted)
    Gwyneth Verkerk
    Cows feel the heat of summer more than many farmers realise. However they do need to use the energy normally required for physiological processes to cool down, so if they can…
  • Fire weather: The science behind the signs (Access: unrestricted)
    Grant Pearce
    At this time of the year people often take more notice of the fire danger signs that appear along New Zealand’s rural highways. These half-grapefruit dials indicating low, moderate or…
  • Some results from the Mangatu redwood sawing study (Access: unrestricted)
    Paul Silcock
    In April last year a sawing study was carried out on a stand of coastal redwood in Mangatu forest. Details of the study’s methods and aims can be found in…
  • A lesson from Harry Bunn (Access: unrestricted)
    Wink Sutton
    As a young FRI scientist on my first field trip with Harry Bunn, then director of Production Forestry Research and also my greatest mentor, we visited a three-year-old radiata pine…
  • Vignettes on the eve of the National Conference, Gisborne 19 to 23 April 2009 (Access: unrestricted)
    Bob Wishart
    Did you know that in 1969 and 1989, Gisborne hosted the national conference? That means if you miss out this time, you may have to wait 20 years till 2029…
  • More about durable eucalypts for vineyard timber (Access: unrestricted)
    Paul Millen
    In recent years the Tree Grower has followed the fortunes of a durable eucalypt project I have been working on. The aim is to have treated pine vineyard posts replaced…
  • Aspendale poplars and more (Access: unrestricted)
    Bruce Bulloch
    On Sunday 30 November 2008, members of four branches − Middle Districts, Wellington, Tararua and Wairarapa – gathered at Allan and Lois Wilkinson’s property, south of Levin. Allan is well…
  • Indigenous forestry options for trading in carbon credits (Access: unrestricted)
    Warwick Silvester
    The Kyoto protocol requires us to control or mitigate our carbon emissions. Trees as major carbon sinks are seen as one of the best ways to implement this. Four schemes…
  • The house that mac built (Access: unrestricted)
    Benjamin Lee
    My brother Julian and his partner Tricia have devoted their working lives to the New Zealand science community. Although still working, they have taken a step back from full time…
  • Energy farming with willow near Taupo (Access: unrestricted)
    Ian McIvor, Ian Nicholas and Kevin Snowdon
    The end of cheap oil now is a reality and there is growing evidence of the connection between climate change and carbon emissions’, wrote David Wright, chairman of the New…
  • Farm forestry in Southland - An introduction (Access: unrestricted)
    John Purey-Cust
    As Gary Morgan’s article on page four makes clear, there are few places in Southland where the structure of the country makes forestry an absolute necessity, few places where the…
  • An introduction to the Southland region (Access: unrestricted)
    Gary Morgan
    The Southland Region covers an area of approximately 2.3 million hectares. Southland’s coastline is 3,400 km long and stretches from Brothers Point in the Chaslands on the east coast to…
  • Me and trees in Southland - Earning the money (Access: unrestricted)
    John Purey-Cust
    Some time in the early 1970s when working for the old Forest Service in Southland my mind turned to practising what I preached − to plant trees as a long…
  • Indigenous shelter planting (Access: unrestricted)
    Bruce Winter
    Our sheep farm of 196 hectares at Spar Bush, Invercargill is an amalgamation of several smaller farms. We ended up with several old homesteads which had macrocarpa planted around them.…
  • An investment in forestry down south (Access: unrestricted)
    Alistair Wilson
    For a number of years I had a desire to grow some trees. By the early 1990s my wife and I had gained the confidence and financial stability to think…
  • Processing the Southland timber resource (Access: unrestricted)
    Parnell Trost
    Southland has a well established timber processing industry, with several of the leading mills operating for more than 70 years. The timber industry has been one of the reasons for…


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