Multicomponent soil supplement

Details Multicomponent soil supplement Multicomponent soil supplement

1977-06-09

1979-01-09

Schor, Kenneth M.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 27, 71 64D, 264 7, C05D 902, C05B 1500, C05B 1900

Patent

active

041336682

ABSTRACT:
Homogeneous solid fusions of particulate mineral nutrients in a continuous rhombic sulfur matrix containing at least about 50 weight percent sulfur are disclosed. These materials are obtained by dispersing throughout a sulfur melt at a temperature of 120.degree. to about 400.degree. C. a nutrient-hydrocarbon comixture containing sufficient hydrocarbon to thoroughly wet all surfaces of the mineral nutrient, preferably sufficient to form a suspension of the nutrient in the hydrocarbon, followed by cooling to form the solid fusion. These materials have particular utility in agronomic applications as soil supplements for supplying both sulfur (as sulfate) and mineral nutrients at a continuous, regulated rate from inexpensive raw materials.

REFERENCES:
patent: 2774660 (1956-12-01), Cook et al.
patent: 3295950 (1967-01-01), Blouin et al.
patent: 3342577 (1967-09-01), Blouin et al.
patent: 3567419 (1971-03-01), Dean et al.
patent: 3637351 (1972-01-01), Young et al.
patent: 3663478 (1972-05-01), Kuhre et al.
patent: 3769378 (1973-10-01), Young et al.
patent: 3982920 (1976-09-01), Cross et al.
patent: 4024210 (1977-05-01), Chalmers
patent: 4026694 (1977-05-01), Cross et al.
Kittams; Use of Sulfur for Increasing the Availability of Phosphorous in Rock Phosphate; 1968; Doctoral Thesis for U. of Wisconsin; pp. 4-12, 88-93.

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