Root fertilizing device

Details Root fertilizing device Root fertilizing device

1987-03-24

1988-02-23

Hafer, Robert A.

Plant husbandry

Plant irrigators and/or fertilizers, apparatus or method

A01G 2900

Patent

active

047261439

ABSTRACT:
The device is a cylindrical housing enclosing a spaced apart cylindrical receptacle for fertilizer. Metering rings channel rain water towards the fertilizer but prevent fertilizer from exiting the top of the housing. End grates enclose the open ends of the housing, the top grate containing a water permeable filter to prevent clogging of the device by foreign debris.

REFERENCES:
patent: 349874 (1886-09-01), Buhrer
patent: 1194027 (1916-08-01), Kanst
patent: 1280486 (1918-10-01), Kanst
patent: 2791347 (1957-05-01), Boehm
patent: 3060012 (1962-10-01), Pavek
patent: 3319379 (1967-05-01), Groeber
patent: 3460562 (1969-08-01), Moulder
patent: 3755966 (1973-09-01), Smith

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