SYMPOSIA PAPER Published: 24 February 2018
STP160220170007

Clays in Biological Formulations

Source

Clays are used in commercial biological formulations for agricultural purposes. There are different types of clays, each of which has its own unique properties. As a class, clays have several useful properties that can be exploited. The most common formulation uses are as a diluent, carrier, moisture regulator, and absorbent. As a diluent, clay is used to modify the concentration (microbial count) of a biological formulation concentration. As a carrier, clay is used to provide the appropriate particle size for application. As a moisture regulator, clay can provide a suitable moisture environment for biological activity (or lack thereof) during storage. As an absorbent, clay can absorb material such as a fermentation broth. It can then be dried and used as is or as an ingredient in a downstream process. Commercial examples of clay use are with mychorrizae, pseudomads, Trichoderma, Rhizobium, and Penicillium.

Author Information

Goss, G., Robert
Oil-Dri Corporation, Vernon Hills, IL, US
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Details
Developed by Committee: E35
Pages: 109–119
DOI: 10.1520/STP160220170007
ISBN-EB: 978-0-8031-7650-8
ISBN-13: 978-0-8031-7649-2