Principles and practice of agricultural analysis. Volume 2 (of 3), FertilizersNote 41 — PART FIRST. PRELIMINARY TREATMENT AND PHOSPHATES. (continued 2)Reading editionDie Landwirtschaftlichen Versuchs-Stationen, Band 38, S. 304.◇Copy noteReturn to PART FIRST. PRELIMINARY TREATMENT AND PHOSPHATES. (continued 2)