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Cost effective treatment of piggery wastes and disposal of residues / G.S.P. Ritchie, D.M. Weaver.
by Weaver, D. M.; Ritchie, G. S. P.; Pig Industry Compensation Fund (Western Australia);
Year: [1990], Callno: 628.543 RIT [PQ]
Book
Phosphorus leaching in soils amended with piggery effluent on lime residues from effluent treatment / D.M Weaver & G.S.P. Ritchie.
by Ritchie, G. S. P. (Western Australia Univ., Nedlands. School of Agriculture); Weaver, D. M. (Western Australian Dept. of Agriculture, Albany);
Year: 1994., Callno: 631.432.3:661.63(941) WEA [PQ]
Book
Development of a soil test for subsoil acidity on the yellow earths of the eastern wheatbelt of Western Australia / S.J. Carr, G.S.P. Ritchie and W.M. Porter.
by Grains Research and Development Corporation (Australia); Western Australia. Dept. of Agriculture.; Ritchie, G. S. P.; Porter, W. M.; Carr, S. J.;
Year: 1992., Callno: 631.415.1(941) CAR [PQ]
Book
Soil Acidity Research Review Workshop, York, August 21-22, 1991 / proceedings editor, M.A. Ewing.
by Ritchie, G. S. P.; Australian Institute of Agricultural Science.; Soil Acidity Research Review Workshop (1991 : York, W.A.); Porter, W. M.; Ewing, M. A.;
Year: 1991., Callno: 631.415(941) SOI [Q]
Book
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