This is the inaugural lecture in a series of "Distinguished Lecturers" and "Campus Lectures" jointly organised by the Roseworthy and Waite Campuses.<br><br><div>Lecture given by Professor Harold W. Woolhouse, Director, Waite Agricultural Research Institute and Dr John Radcliffe, Director-General, South Australian Department of Agriculture, 15.3.1991</div><div><br></div><p>This lecture is part of the Campus Seminars and Distinguished Lecturer Series, Waite Campus, University of Adelaide, 1991 – 1997. </p> <a href="https://figshare.com/projects/Campus_Seminars_and_Distinguished_Lecturer_Series_Waite_Campus_University_of_Adelaide/17756">https://figshare.com/projects/Campus_Seminars_and_Distinguished_Lecturer_Series_Waite_Campus_University_of_Adelaide/17756</a>