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Thomson, N.J. (1992-08-11)
Last season there were four (Siokra 1-4, Siokra L22, Sicala 33 and CS 189) CSIRO mainstream varieties being grown commercially in most districts.
Watson, W.J. (1986-08-20)
Reducing the costs of pest management may be looked at in two ways. These are the actual reduction of chemical costs which must be balanced against the need to maintain or enhance yield.