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Soil testing : a guide to fertiliser use / by Rob Summers and Mark Rivers. [Variant title:Soil testing : a guide to fertiliser use [Replaces Farmnote 94/1984] [Variant title:Soil testing : a guide to fertiliser use [Replaced by Farmnote 418]

by Western Australia. Dept. of Agriculture.; Summers, R. N. (Western Australian Department of Agriculture, Waroona); Rivers, M. (Western Australian Department of Agriculture, Waroona)

Year: 2002., Callno: 05:63(941)

Book

The environmental impact of nitrogen and phosphorus fertilisers in high rainfall areas / by Rob Summers and Bevan Kingdon.

by Western Australia. Dept. of Agriculture.; Summers, R. N. (Western Australian Department of Agriculture, Waroona); Kingdon, B. K. (Udder Consultants);

Year: 2002., Callno: 05:63(941)

Book