Manures and the principles of manuring
Chapter 11
Value of ammonia as a manure 352 Sources of sulphate of ammonia 353 Ammonia from gas-works 353 Other sources 354 Composition, &c., of sulphate of ammonia 355 Application of sulphate of ammonia 356
APPENDIX TO CHAPTER X.
Production of sulphate of ammonia in United Kingdom, 1870-1892 358