Principles and practice of agricultural analysis. Volume 1 (of 3), SoilsNote 283 — PART SEVENTH. THE ORIGIN AND ESTIMATION OF OXIDIZED NITROGEN IN SOILS, RAIN AND DRAINAGE WATERS.Reading editionAnnales de l’Institut Pasteur, 1891, S. 93.◇Copy noteReturn to PART SEVENTH. THE ORIGIN AND ESTIMATION OF OXIDIZED NITROGEN IN SOILS, RAIN AND DRAINAGE WATERS.