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Cultivation reduces fertilizer residual effectiveness and affects soil testing for available phosphorus / M.D.A. Bolland, R.J. Gilkes.

by Bolland, M. D. A. (Michael David Anthony), 1946- (Western Australian Dept. of Agriculture, Perth. Plant Nutrition Branch); Gilkes, R. J. (Western Australia Univ., Nedlands. School of Agriculture);

Callno: 05:631.8

Journal

Reactive rock phosphate fertilizers and soil testing for phosphorus : the effect of particle size of the rock phosphate / M.D.A. Bolland and R.J. Gilkes.

by Bolland, M. D. A. (Michael David Anthony), 1946- (Western Australian Dept. of Agriculture, Perth. Plant Nutrition Branch); Gilkes, R. J. (Western Australia Univ., Nedlands. School of Agriculture);

Callno: 05:631.8

Journal

Evaluation of the bray 1, lactate, truog and colwell soil tests as predictors of triticale grain production on soil fertilized with superphosphate and rock phosphate / M. D. A. Bolland and R. J. Gilkes.

by Bolland, M. D. A. (Michael David Anthony), 1946- (Western Australian Dept. of Agriculture, Perth. Plant Nutrition Branch); Gilkes, R. J. (Western Australia Univ., Nedlands. School of Agriculture); Western Australia. Division of Plant Industries.;

Callno: 05:631(941)

Journal