DETERMINATION OF EXCHANGE CAPACITY AND EXCHANGEABLE BASES IN SOIL - AMMONIUM ACETATE METHOD

[11] Effect of leaking natural gas upon the soil [J]. SOIL SCIENCE, 1930, 29 (04) : 261 - 266

[12] Scott W. W., 1918, STANDARD METHODS CHE

[13] SNELL FD, 1936, COLORIMETRIC METHODS, V1

[14] WILCOX L. V., 1937, Industrial and Engineering Chemistry. Analytical edition, V9, P136, DOI 10.1021/ac50107a012

[11] Effect of leaking natural gas upon the soil [J]. SOIL SCIENCE, 1930, 29 (04) : 261 - 266

[12] Scott W. W., 1918, STANDARD METHODS CHE

[13] SNELL FD, 1936, COLORIMETRIC METHODS, V1

[14] WILCOX L. V., 1937, Industrial and Engineering Chemistry. Analytical edition, V9, P136, DOI 10.1021/ac50107a012