Controlled release of trace elements

Details Controlled release of trace elements Controlled release of trace elements

1981-07-22

1984-05-08

Rosen, Sam

Chemistry: fertilizers

Processes and products

Forms or conditioning

424 14, 424 19, 424 22, 424127, 424131, 424133, 424134, 424140, 424141, 424143, 424144, 424145, 424147, 424357, 424150, 424151, 426 2, 426 74, 426648, A01N 5920, A01N 5900, A61K 3334

Patent

active

044472544

ABSTRACT:
A composition for providing a substantially controlled level of dissolved trace element in water comprises a trace element compound in a relatively insoluble form. Preferably the composition comprises a relatively insoluble trace element compound and a binder which results in the composition having a different solubility product to that of the trace element alone. The binder may be plaster of paris.

REFERENCES:
patent: 1649123 (1927-11-01), Miner et al.
patent: 1712404 (1929-05-01), Rupp
patent: 2792345 (1957-05-01), Hulsebosch
patent: 2810229 (1957-10-01), Allyn
patent: 3056723 (1962-10-01), Galloway
patent: 3056724 (1962-10-01), Marston
patent: 3130124 (1964-04-01), Ferris et al.
patent: 3276949 (1966-10-01), Robson
patent: 3322633 (1967-05-01), Simoons
patent: 4187803 (1980-02-01), Valenta
patent: 4325975 (1982-04-01), Lindon et al.

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