Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1979-07-05
1981-05-05
Smith, William F.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 59, 71 60, 71 61, 71 64C, C05C 300
Patent
active
042656532
ABSTRACT:
An aqueous manganese micronutrient solution comprising between 0.1 and 2.0 wt. % of ferrous ion, about 5 wt. % manganous ion, between 1 and 1.5 moles of citric acid anion per mole of manganous ion and ammonia in an amount to maintain the pH of the solution between 7.5 and 12.
REFERENCES:
patent: 2770540 (1956-11-01), Vierling
patent: 2813014 (1957-11-01), Allison et al.
patent: 2950183 (1960-08-01), Nikitin et al.
patent: 3131048 (1964-04-01), Balassa
patent: 3667928 (1972-06-01), Backlund
patent: 3798020 (1974-03-01), Parham et al.
patent: 3869272 (1975-03-01), Windgasen
patent: 4012220 (1977-03-01), Szalay et al.
Product Bulletin Amoco Oil Co.; "Amoco Guide to Crop-Mate Nutrients", p. 21 (1977).
NFSA Additives Handbook; 1977 Ed., National Fertilizer Solutions Assn., 1701 W. Detweiller Drive, Peoria, Ill. 61614; p. 195.
Hoyt, 4th Hazen L.
Uhr, Jr. Daniel R.
Knuth Charles J.
Lander Ferris H.
Murphy Francis X.
Pfizer Inc.
Richardson Peter C.
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