Method for increasing fertilizer efficiency

  • US 5,840,656 A
  • Filed: 11/06/1996
  • Issued: 11/24/1998
  • Est. Priority Date: 02/23/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. An improved fertilizer composition comprising:

  • a fertilizer and an amino acid component selected from gamma-aminobutyric acid and a mixture of gamma-aminobutyric acid and glutamic acid, whereby the fertilizer and the amino acid are combined in an amount effective to increase plant growth.

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