Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1996-11-22
1998-06-30
Langel, Wayne
Chemistry: fertilizers
Processes and products
Organic material-containing
71 6411, 71903, 71904, 71DIG2, C05F 1100
Patent
active
057727236
ABSTRACT:
A method of manufacturing a water soluble composition adapted for subsequent solubilizing and application to agricultural crops is disclosed in which a divalent metal salt, citric acid and sodium citrate are mixed to form a mixture having a moisture content of from approximately 10% to 1.25% percent by weight. The mixture is then processed in a drying environment to produce a product which is partially chelated and has a moisture content which is less than the moisture content of the mixture prior to processing. The preferred drying environment is from 120.degree. F. to 150.degree. F. Most preferably, the processing step is performed in a continuous flow, fluidized bed dryer at from approximately 120.degree. F. to 150.degree. F. for from approximately 50 seconds to approximately 70 seconds. Preferred divalent metals are iron, copper, zinc and manganese.
REFERENCES:
patent: 4425149 (1984-01-01), Kimbro
Mortvedt, John J., "A look at three ways to apply Micronutrients with granular fertilizers," The world of micronutrients 1977, reprinted from Mar. issue of Custom Applicator.
Mortvedt, John J., "Micronutrient Recommendations and Choices of Materials for Application," Proceedings of the Fertilizer Industry Roundtable, 37.sup.th Annual Meeting, New Orleans, Louisiana, Nov. 2-4, 1987, pp. 128-132.
Mortvedt, J.J., "Micronutrients in Crop Production," Reprinted from Soil and Crop Science Society of Florida, Proceedings, vol. 47, Oct. 20-22, 1987, pp. 5-8.
Mortvedt, John J., "Micronutrients in the Fertilization of Crops," National Fertilizer Development Center, Tennessee Valley Authority, Muscle Shoals, Alabama 35660 (date unknown).
"NFSA Additives Handbook," National Fertilizer Solutions Association, 8823 North Industrial Road, Peoria, Illinois 61614, 1979 edition, pp. 69-160.
"Introducing a new line of micronutrients" brochure .COPYRGT.1996 Nortrace, Ltd., Greeley, Colorado 80631-5852.
"Citriplex 20% Copper" label .COPYRGT.1996 Nortrace, Ltd., Greeley, Colorado 80631-5852.
"Citriplex 20% Iron" label .COPYRGT.1996 Nortrace, Ltd., Greeley, Colorado 80631-5852.
"Citriplex 20% Manganese" .COPYRGT.1996 Nortrace, Ltd., Greeley, Colorado 80631-5852.
"Citriplex 20% Zinc" .COPYRGT.1996 Nortrace, Ltd., Greeley, Colorado 80631-5852.
Robinett Alan M.
Schauble Carl
Burton, Esq. Carol W.
Frit, Inc.
Langel Wayne
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