Planting – Drilling – Lister units
Patent
1980-06-09
1981-10-13
Bratlie, Steven A.
Planting
Drilling
Lister units
111 7, 111 85, 172 39, 172 59, 172111, 172522, 172570, 172169, 172 66, A01C 720, A01B 3306
Patent
active
042941814
ABSTRACT:
A subsoil implement is disclosed that utilizes a horizontally rotatable disc that is moved beneath the surface of the ground for the purpose of cultivating or for producing a sub-surface bed for placing flowable material such as seed or soil treating gas along the prepared bed. A hollow delivery tube or rigid shaft leads to the disc and rotates about an axis defined by a bearing directly adjacent the disc. Seed or chemicals may be directed through the hollow tube form to the ground surface below the cultivator disc. Therefore, cultivating, planting or soil treatment can be accomplished with minimal effort. Trash clearing elements are provided on the rotating tube or shaft to eliminate trash build-up and minimize disruption of the soil surface.
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