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by Uren, Nicholas C.; Hannam, Robert J.; BHP-UTAH Minerals International (Corporation); Graham, Robin David.; International Symposium on Manganese in Soils and Plants (1988 : Waite Agricultural Research Institute);
Year: 1988., Callno: 631.811 INT
Book
by National Workshop on Narrow Sowing Points (1994 : Agriculture Machinery Research and Design Centre, University of South Australia); Hannam, Robert J.; Cooperative Research Centre for Soil and Land Management (Australia);
Year: 1994., Callno: 631.51(94) NAT [Q]
Book