Fertilizer stick

Details Fertilizer stick Fertilizer stick

1974-12-05

1977-03-29

Spear, Jr., Frank A.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 29, 71 31, 71 34, 71 64F, 71 1, C05C 902

Patent

active

040146758

ABSTRACT:
This invention relates to a fertilizer stick composed of water soluble thermoplastic material and dispersed therein about 10 to about 80% of fertilizer material. The fertilizer stick gradually dissolves when placed in a potting medium or soil to supply plant growth nutrients to the roots of a plant.

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patent: 3290821 (1966-12-01), Parry
patent: 3502458 (1970-03-01), Schenk
patent: 3647416 (1972-03-01), Messman
patent: 3852421 (1974-12-01), Koyanagi et al.

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