Chapter Xiv.--Thomas-Phosphate or Basic Slag.

Its manufacture 401 Not at first used 403 Discovery of its value as a manure 403 Composition of basic slag 404 Processes for preparing slag 406 Solubility of basic slag 408 Darmstadt experiments with basic slag 410 Results of other experiments 413 Soils most suited for slag 414 Rate of application 414 Method of application 416

APPENDIX TO CHAPTER XIV.

Analysis of basic slag 417