ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,406, issued on Dec. 30, was assigned to BIO-GRO INC. (Mabton, Wash.).

"Organic potassium compositions derived from plant ash" was invented by Daniel Morash (Sacramento, Calif.), Mark LeJeune (Woodland, Calif.) and Steve Zicari (Davis, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions comprising Certified Organic potassium salts derived from plant ash are described herein. The compositions described herein include potassium acetate derived from acetic acid and sunflower ash. Such compositions can be used as a fertilizer component in organic farming and result in higher plant yields compared to plants treated with inorganic forms of p...