Bentonites are deposits of special clay minerals; these clay minerals are usually in the form of calcium-rich minerals. Characteristic of clay minerals is their platelet structure; this structure allows bentonite to swell, enabling it to achieve a high moisture-binding capacity. By activating calcium bentonites with sodium, moisture binding can be trebled. The swelling clay mineral content is also called the smectite content. A good bentonite has a smectite content of at least 80-85%.
The main function of bentonites is to improve the soil's moisture-holding capacity, particularly in very dry sandy soils. Bentonite has a long-term effect, so a soil enriched with bentonite will retain moisture better after every dry period.
Another use of bentonite is the creation of a compacted layer which can be used, for example, to create natural ponds; bentonite prevents water seepage into the subsoil. This requires a specific method of application about which we are happy to advise.
|Form||Powder and Granulate (natural)|
|Soil improver||++++ (sandy soil)|
Poortershaven continuously develops new applications for the use of clay and rock minerals in the agricultural sector. This has resulted in well-known and frequently used products for animal health, soil improvement and animal bedding hygiene.
The colour of the products may differ in real life, due to the sharpness and screen settings. If desired, we would be happy to send a sample.
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