Note 69 — Chapter VII · THE MINERAL CONSTITUENTS OF THE SOIL SOLUTION.[40]
Reading edition
For detailed description of the apparatus and experimental data, see Bull. No. 30, p. 27, et seq., Bureau of Soils, U. S. Dept. Agriculture.
Reading edition
For detailed description of the apparatus and experimental data, see Bull. No. 30, p. 27, et seq., Bureau of Soils, U. S. Dept. Agriculture.