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(Professor A. F. Sherf was a consultant to the New South Wales Department of Agriculture in 1975. Extensive travel in 5 Australian states added perspective to his numerous contacts with pathologists, advisory personnel, and farmers especially, in New South Wales. The Editor is grateful to Professor Sherf for contributing this viewpoint.)
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Sherf, A.F. The role of extension specialists in agricultural production. Australian Plant Pathology Society Newsletter 5, 43 (1976). https://doi.org/10.1071/APP9760043
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DOI: https://doi.org/10.1071/APP9760043