Principles and practice of agricultural analysis. Volume 1 (of 3), SoilsNote 312 — PART SEVENTH. THE ORIGIN AND ESTIMATION OF OXIDIZED NITROGEN IN SOILS, RAIN AND DRAINAGE WATERS. (continued 2)Reading editionChemiker Zeitung, 1889, No. 15.◇Copy noteReturn to PART SEVENTH. THE ORIGIN AND ESTIMATION OF OXIDIZED NITROGEN IN SOILS, RAIN AND DRAINAGE WATERS. (continued 2)