Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers

by Harvey Washington Wiley

[198] Vid. op. cit. 12, p. 5.

[199] Vid. op. cit. 12, p. 7.

[200] Volume First, pp. 378, et seq.

[201] Chemical News, Vol. 44, pp. 77, 86, 97, and 129.

[202] Chemical Division, U. S. Department of Agriculture, Bulletin No. 7, p. 38.

[203] Vid. supra, Bulletin No. 43, p. 349.

[204] Die Agricultur-Chemische Versuchs-Station, Halle a/S., S. 76.

[205] Methoden van onderzock aan de Rijkslandbouw-proefstations, 1893, p. 7.

[206] From the Official Swedish Methods. Translated for the Author by F. W. Woll.

[207] Chemical Division, U. S. Department of Agriculture, Bulletin No. 35, p. 63.