SIGNIFICANCE OF THE PRESENCE OF EXCHANGEABLE MAGNESIUM IONS IN ACIDIFIED CLAYS

[11] PAVER H, 1934, CHEM IND, V12, P750

[12] SCHOFIELD RK, 1946, SOILS FERTILIZERS CO, V9, P265

[13] WALKER GF, 1958, CLAY MINERALS B, V3, P309

[14] WHITTIG LYNN D., 1959, SOIL SCI SOC AMER PROC, V23, P469

[15] ZINKE PJ, 1956, THESIS U CALIFORNIA

[11] PAVER H, 1934, CHEM IND, V12, P750

[12] SCHOFIELD RK, 1946, SOILS FERTILIZERS CO, V9, P265

[13] WALKER GF, 1958, CLAY MINERALS B, V3, P309

[14] WHITTIG LYNN D., 1959, SOIL SCI SOC AMER PROC, V23, P469

[15] ZINKE PJ, 1956, THESIS U CALIFORNIA