Microelement deficiency corrector for farmland and process for p

Details Microelement deficiency corrector for farmland and process for p Microelement deficiency corrector for farmland and process for p

1995-10-13

1998-06-16

Lander, Ferris

Chemistry: fertilizers

Processes and products

Organic material-containing

71 15, 71 21, 71 63, 71904, C05F 1108

Patent

active

057663017

ABSTRACT:
The corrector comprises a mixture of trace elements, in hydrated sulfate form, optionally containing carbonates and including iron, magnesium, manganese and zinc, with the following typical analysis: Magnesium 3.5-6%; iron 12-19%; Manganese 1-1.5%; zinc 0.2-0.3% and organic matter 0-45%.
The process comprises mixing 50-66% of the by-product of manufacture of titanium bioxide via sulfate, 5-10% alkaline earth carbonate or magnesite and, optionally, 10-45% organic matter, grinding the mixture, granulating it and drying it, cooling it and screening it.
The corrector is used in agriculture to prevent and control ferric chlorosis, to favor physiological processes of harvests in which iron takes part and to avoid deficiencies of manganese and zinc in farmland.

REFERENCES:
patent: 3135595 (1964-06-01), Williams
patent: 4328025 (1982-05-01), Whitcomb
patent: 4477323 (1984-10-01), Esna-Ashari et al.

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