US 8,636,822 B1
Dethatching, extended release fertilizer compositions
Kenneth J. Boyce, Fort Myers, Fla. (US); and Kevin C. Carson, Cape Coral, Fla. (US)
Filed by Kenneth J. Boyce, Fort Myers, Fla. (US); and Kevin C. Carson, Cape Coral, Fla. (US)
Filed on Jun. 11, 2013, as Appl. No. 13/915,239.
Claims priority of provisional application 61/657,955, filed on Jun. 11, 2012.
Int. Cl. C05D 9/02 (2006.01); C05F 11/00 (2006.01); C05F 11/02 (2006.01); C05B 7/00 (2006.01); C05B 17/00 (2006.01); A01N 25/00 (2006.01)
U.S. Cl. 71—24  [71/11; 71/27; 71/32; 71/64.07] 18 Claims
OG exemplary drawing
 
1. A fertilizer composition, comprising:
a limestone product in an amount of approximately 12% to approximately 17% by weight of said fertilizer composition;
an iron product in an amount of approximately 4% to approximately 8% by weight of said fertilizer composition;
a manganese product in an amount up to approximately 4% by weight of said fertilizer composition;
a sulfate of potash-magnesia, humus extract product in an amount up to approximately 5% by weight of said fertilizer composition;
a sulfate of potash product in an amount of approximately 20% to approximately 25% by weight of said fertilizer composition; and
a humic acid dispersing product in an amount of approximately 50% to approximately 54% by weight of said fertilizer composition.