Slow release fertilizer composition

Details Slow release fertilizer composition Slow release fertilizer composition

1980-06-30

1982-03-23

Schor, Kenneth M.

Chemistry: fertilizers

Processes and products

Inorganic material

71 33, 71 52, 71 53, 71 6411, C05B 2100

Patent

active

043210783

ABSTRACT:
A slow release fertilizer composition providing to a plant a controlled amount of plant primary nutrients and micronutrients over a prolonged period of time is described. The solubility and concentration of each of the plant nutrients is determined by the addition to the fertilizer composition of specified fertilizer constituents or components which on going into solution coact to control at an optimum concentration each of the plant nutrients. The slow release fertilizer composition comprises the plant primary nutrients nitrogen, phosphorous, calcium, sulfur, magnesium, and potassium and the plant micronutrients iron, manganese, zinc, copper and boron. A single application of the fertilizer composition of the present invention provides sufficient plant nutrients for a full growing season or one or more growing seasons.

REFERENCES:
patent: 3130038 (1964-04-01), Thomas et al.
patent: 3342579 (1967-09-01), Frazier
patent: 3992184 (1976-11-01), Baldock
patent: 4028088 (1977-06-01), Young et al.

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