What is the chemical reaction equation when Vermiculite comes in contact with soil?

Expert Solution

Vermiculite is the name of a group of hydrated laminar minerals (aluminum-iron magnesium silicates) which look like mica, (Mg,Fe⁺²,Fe⁺³)₃[(Al,Si)₄O₁₀](OH)₂·4H₂O

The ion exchange methods reactions are more rapid on soil minerals such as kalominite and oxides than on the soil surface such as vermiculite and mica. This is attributed to extend exchange site in kalominite versus the multiple regions of exchange sites with vermiculite and mica. Extended planner, edge, and interlayer exists on the surface of vermiculite and mica with some of the latter partially or totally collapsed. The rate of reaction is very high.

Vermiculite do not rot, deteriorate, or mold and is enduring, odorless, non-toxic and sterile. Vermiculite is generally a neutral 7.0 but this do depend upon the source from around the globe and its reaction is alkaline.
Vermiculite is far superior for water retention.
Vermiculite added to soil for conditioning and lightening either alone or in conjunction with peat or compost. This will accelerate the growth and promote anchorage for tender young root systems.
Vermiculite used as growing medium will also enable the plant to more easily absorb the ammonium, potassium, calcium and magnesium necessary for vigorous growth.

queen_honey_blossom answered 1 year ago

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