“The clay mimics organic matter in its functionality ... recovery techniques include using vermiculite, a phyllosilicate mineral mined from rocks and treated with heat so that it expands.

A soil is seldom composed of 100% clay or 100% silt, but some combination of two or three mineral elements, along with organic matter. From the standpoint of soil type, one of these minerals will be ...

Leaves can transform poor soil as they decompose into humus. Humus increases the soil's CEC allowing it to retain fertilizer ...