Irrigation systems

Details Irrigation systems Irrigation systems

1992-04-08

1994-03-15

Taylor, Dennis L.

Hydraulic and earth engineering

Drainage or irrigation

405 43, 239 10, 239317, E02B 1100

Patent

active

052942120

ABSTRACT:
An installation for the controlled dosing of an irrigation flow with a herbicide particularly for detecting root growth into the outlets of an underground drip irrigation line, includes a sealed container and a slow release herbicide material wherein a portion of the flow is directed through the herbicide impregnated material so that herbicide is controllably released into the diverted flow, and the diverted flow is reintroduced into the irrigation flow.

REFERENCES:
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patent: 1604189 (1926-10-01), Nelson
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patent: 3419360 (1968-12-01), Rak
patent: 3592386 (1971-07-01), Tschudy
patent: 4133671 (1979-01-01), Mikel
patent: 4221501 (1980-09-01), Saburi
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patent: 4340179 (1982-07-01), Knapp
patent: 4957134 (1990-09-01), Craig
patent: 5005601 (1991-04-01), Strong
patent: 5010912 (1991-04-01), Riding
patent: 5066468 (1991-11-01), Arnold et al.

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