Water actuated plant fertilizing device

Details Water actuated plant fertilizing device Water actuated plant fertilizing device

1976-05-10

1977-11-08

Burr, Edgar S.

Plant husbandry

Plant irrigators and/or fertilizers, apparatus or method

47DIG4, A01G 2900

Patent

active

040568989

ABSTRACT:
A fertilizer container for releasing nutrients to plants over a prolonged period of time including a receptacle having upper and lower reservoir separated by a porous plate. The lower reservoir contains fertilizer in a time-delay form which is slowly released upon contact with water seeping through the porous plate from the upper reservoir. The dissolved fertilizer then seeps through the porous lower reservoir and into the soil surrounding a plant.

REFERENCES:
patent: 1992878 (1935-02-01), Muller
patent: 2145934 (1939-02-01), Kingman
patent: 2375860 (1945-05-01), Markham
patent: 2713752 (1955-07-01), Sobol
patent: 3005287 (1961-10-01), Dudley
patent: 3755966 (1973-09-01), Smith
patent: 3857195 (1974-12-01), Johnson

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