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Technological Change Embodied in Southern NSW and British Wheat Varieties

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  • Godden, David P.
  • Brennan, John P.

Abstract

A comparison was made of increases in British and southern NSW wheat yields associated with genetic improvements. Estimates of these improvements were initially compared in each location using two different techniques. These techniques were a "variety improvement index" and a "vintage yield function". Yield increases "due to" genetic improvements were then compared between countries using both techniques. The variety improvement index technique suggested that there was little overall difference between genetic improvement in wheat in Britain and southern NSW. The vintage yield function technique suggested that the rate of yield increase for all varieties "due to" genetic improvement was markedly inferior in southern NSW. Estimated genetic improvement in southern NSW "food" wheats was similar to estimated genetic improvements in British bread wheats.

Suggested Citation

  • Godden, David P. & Brennan, John P., 1994. "Technological Change Embodied in Southern NSW and British Wheat Varieties," Review of Marketing and Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 62(02), pages 1-14, August.
    • Handle: RePEc:ags:remaae:12488
    DOI: 10.22004/ag.econ.12488
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    File URL: https://ageconsearch.umn.edu/record/12488/files/62020247.pdf
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    References listed on IDEAS

    as
    1. Perrin, Richard K. & Hunnings, K. Adrian & Ihnen Loren A., 1984. "Effects Of The 1970 Plant Variety Protection Act," 1984 Annual Meeting, August 5-8, Ithaca, New York 278909, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    2. Brennan, John P., 1984. "Measuring the Contribution of New Varieties to Increasing Wheat Yields," Review of Marketing and Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 52(03), pages 1-21, December.
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    Cited by:

    1. Godden, David P. & Brennan, John P., 2000. "Policy Influences on Genetic Diversity and Yield Variability in Australian Wheat Production," 2000 Conference (44th), January 23-25, 2000, Sydney, Australia 123653, Australian Agricultural and Resource Economics Society.
    2. Daniel Muluwork Atsbeha & Dadi Kristofersson & Kyrre Rickertsen, 2012. "Animal Breeding and Productivity Growth of Dairy Farms," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 94(4), pages 996-1012.

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