The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 07, 2015

Filed:

Apr. 03, 2013
Applicants:

David W. Bergevin, Pasco, WA (US);

Stephen D. Wolfe, Richland, WA (US);

Alan S. Wicks, Kennewick, WA (US);

Inventors:

David W. Bergevin, Pasco, WA (US);

Stephen D. Wolfe, Richland, WA (US);

Alan S. Wicks, Kennewick, WA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B 79/00 (2006.01); C05B 7/00 (2006.01);
U.S. Cl.
CPC ...
C05B 7/00 (2013.01); C05B 7/00 (2013.01); C05F 11/00 (2013.01);
Abstract

A method for applying an agricultural fertilizer to a field through an irrigation system connected to a source of hard water, includes providing a fertilizer composition comprising a mixture of (i) a fertilizer component comprising an ammonium phosphate or an ammonium sulfate, and (ii) an acid comprising one or more of a phosphoric acid, a citric acid, a malic acid, a formic acid, and an oxalic acid; combining the fertilizer composition with hard water from the hard water source and providing the mixture to an irrigation system; and using the irrigation system to apply the mixture of fertilizer composition and hard water to the field.


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