On low-CEC soils (less than 5 meg/20000g), for example, some leaching of cations can occur. Fall applications of ammonium N and potassium on these soils could result in some leaching below the root ...
In certain instances, replacement of one type of interlayer cation by another causes swelling ... replacement of magnesium by strontium for example, involves an increase in interlayer distance ...
and the B-cation a 6-fold oxygen coordination. In the example shown below, (SrTiO3, download cif) the Sr atoms sit in the 12 coordinate A site, while the Ti atoms occupy the 6 coordinate B site. There ...
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