Plant husbandry – Plant surface contact material applicator
Patent
1982-12-06
1985-10-15
Feyrer, James R.
Plant husbandry
Plant surface contact material applicator
A01G 1300
Patent
active
045465703
ABSTRACT:
Improved apparatus is provided for use in applying agricultural chemicals. The apparatus is primarily configured to improve the application of minimal-contact-kill type herbicides to field weeds or the like extending above the tops of a field crop, but also includes provision for the simultaneous application to the field of other agricultural chemicals adapted to be sprayed, such as insecticides, fertilizers or other herbicides. The apparatus is adapted to be mounted on the front of a tractor and includes shiftable frame and support structures for adjusting the height and inclination of the direct engagement or contact type applicator to crop and weed conditions and to terrain conditions, as well as permitting disposition of the normally laterally extending parts of the apparatus in positions to facilitate movement of the apparatus along roads, through gates or the like between uses thereof. The contact applicator avoids drippage of the contact-kill type herbicide upon crops in the field in which weeds or the like are being treated by employing controlled recirculation of the herbicide material at relatively low pressure through a conduit having spaced orifices covered by a porous sleeve having an inner liquid holding portion and an outer foraminous portion.
REFERENCES:
patent: 2274303 (1942-02-01), Ornstein
patent: 3143839 (1964-08-01), Johnson
patent: 4019278 (1977-04-01), McKirdy
patent: 4332107 (1982-06-01), Reed
patent: 4377920 (1983-03-01), Bowman
patent: 4426807 (1984-01-01), Maddock
patent: 4459777 (1984-07-01), Moore et al.
DeMille Danton D.
Feyrer James R.
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