Note 68 — PART SECOND. TAKING SAMPLES OF SOIL FOR ANALYSIS.
Reading edition
Methods of Analysis of Soils, Fertilizers, etc., adopted by the Swedish Agricultural Chemists, translated for the author by F. W. Woll.
Reading edition
Methods of Analysis of Soils, Fertilizers, etc., adopted by the Swedish Agricultural Chemists, translated for the author by F. W. Woll.