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

by Harvey Washington Wiley

[95] Vid. op. cit. 92, p. 99.

[96] Eighth Annual Report of Purdue University, p. 238.

[97] Receuil des Travaux Chimiques, Tome 12, pp. 1, et seq. Journal of the Chemical Society (Abstracts), Vol. 64, p. 496.

[98] Zeitschrift für angewandte Chemie, 1891, Ss. 279, et seq.

[99] Le Stazioni Sperimentali Agrarie Italiane, February, 1891.

[100] Journal of the American Chemical Society, Vol. 17, p. 43.

[101] Vid. op. et loc. cit. supra.

[102] L’Engrais, Tome 10, p. 65.

[103] Journal of Analytical and Applied Chemistry, Vol. 5, p. 694. Zeitschrift für analytische Chemie, Band 18, S. 99.

[104] Vid. op. cit. 92, p. 103.