Livres associés

Fertilizer resources of the United States.

The effect of ignition on the solubility of soil phosphate.

The phosphates of America. Where and how they occur; how they are mined; and what they cost. With practical treatises on the manufacture of sulphuric acid, acid phosphate, phosphoric acid, and concentrated super-phosphates, and selected methods of chemical analysis.

Basic slags and rock phosphates

• The phosphates of America. Where and how they occur; how they are mined; and what they cost. With practical treatises on the manufacture of sulphuric acid, acid phosphate, phosphoric acid, and concentrated super-phosphates, and selected methods of chemical analysis.
  Auteur(s): Wyatt, Francis
• The phosphates of America.
  Auteur(s): Wyatt, Francis
• The phosphates of America. Where and how they occur; how they are mined; and what they cost.
  Auteur(s): Wyatt, Francis