Continuous release phosphorus fertilizer

Details Continuous release phosphorus fertilizer Continuous release phosphorus fertilizer

1997-10-27

1999-02-02

Langel, Wayne

Chemistry: fertilizers

Processes and products

Inorganic material

71 33, 71 34, 71 641, C05B 900, C05B 700

Patent

active

058658700

ABSTRACT:
Concentrated phosphorus fertilizers are described which are absorbed quickly into plant systems and improve plant growth. Particularly described are fertilizers having a combination of phosphorous acid or its salts thereof, and either (a) polyphosphoric acid and its salts thereof; or (b) phosphoric acid and its salts thereof. This combination phosphorus fertilizer, when combined within a specific ratio range, increases phosphorus uptake to plants thereby enhancing plant growth.

REFERENCES:
patent: 1251742 (1918-01-01), Blumenberg, Jr.
patent: 4336053 (1982-06-01), Kenton
patent: 5162600 (1992-11-01), Cody et al.
patent: 5489323 (1996-02-01), Yoshida
patent: 5514200 (1996-05-01), Lovatt

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