Planting – Drilling and broadcasting – Main and auxiliary frame machines
Patent
1977-03-17
1978-10-03
Bagwill, Robert E.
Planting
Drilling and broadcasting
Main and auxiliary frame machines
47 9, A01C 1100
Patent
active
041177878
ABSTRACT:
The invention provides a machine for performing cultivation under plastics, wherein there is a framework, a ploughshare to make a furrow in the ground, a support bearing a roll of plastic sheet and arranged in such a way that the sheet is positioned on the ground above the furrow, means for perforating the sheet before positioning same on the ground, perforations being made in the sheet vertical to the burrow.
REFERENCES:
patent: 1562353 (1925-11-01), McGuire et al.
patent: 2708812 (1955-05-01), Nakai
patent: 3161163 (1964-12-01), Cosner et al.
patent: 3176635 (1965-04-01), Mabon
patent: 3184889 (1965-05-01), Gray et al.
patent: 3234691 (1966-02-01), Cowell
patent: 3559599 (1971-02-01), Hoadley
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