Plant iron source, plant growing medium, and methods of making a

Details Plant iron source, plant growing medium, and methods of making a Plant iron source, plant growing medium, and methods of making a

1976-11-19

1978-09-26

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 25, 71 64SC, 71DIG2, 47 1A, 47DIG10, 47DIG4, C05F 1100

Patent

active

041166639

ABSTRACT:
Iron (FE) may be reacted in the presence of an alkaline material with vegetable tannin by mixing water (H.sub.2 O), comminuted iron in its elemental state and vegetable tannin to form an iron chelate which holds iron in a form available to and assimilable by plants. Treatment of plants with the iron chelate supplies iron thereto and corrects iron chlorosis. Comminuted cast iron and vegetable tannin extract may be used, respectively, as the Fe and vegetable tannin sources. Further, comminuted redwood, which is known to be poisonous to many plants in its natural state, is believed to be converted into a nonpoisonous growing medium which supplies iron to plants and stimulates plant growth by reacting the vegetable tannin naturally occurring in the redwood to form the aforementioned iron chelate therein.

REFERENCES:
patent: 2735858 (1956-02-01), Bergman
patent: 3270003 (1966-08-01), Van Blaricom et al.
patent: 3473255 (1969-10-01), Working

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