Effect of pH on the content of K, Al, Fe, Si, Ca, and Mg in soil solution
1987
Stawinski, J. | Wierzchos, J. | Jozefaciuk, G. (Polish Academy of Sciences, Lublin (Poland). Inst. of Agrophysics) | Rodriguez, P.C. (Instituto of Soil Science and Plant Biology, Madrid (Spain))
Four soils differing with respect to typology, kind and genus were used. The relationships between the concentrations of Al, Fe, Si, and K and pH have a parabolic character for the soils studied. The minima of these relationships for Al and Fe do not depend on the kind of soil and occur in narrow pH intervals: 4.2-5.1 and 4.2-5.6, respectively
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