Principles and practice of agricultural analysis. Volume 2 (of 3), FertilizersNote 228 — PART THIRD. POTASH IN FERTILIZING MATERIALS AND FERTILIZERS. (continued 2)Reading editionWatt’s Translation, Vol. 2, pp. 317-318.◇Copy noteReturn to PART THIRD. POTASH IN FERTILIZING MATERIALS AND FERTILIZERS. (continued 2)