Planting – Liquid or gas soil treatment – Drilling machines
Patent
1988-04-18
1989-10-10
DeMille, Danton D.
Planting
Liquid or gas soil treatment
Drilling machines
111 84, 111200, A01C 2302
Patent
active
048724122
ABSTRACT:
A fertilizer injection implement has a flat, smooth, and unfluted coulter blade followed by a smooth-surfaced injection tube reinforced longitudinally and preferably slotted upwardly at the rear from its open discharge end. Apparatus for travel across cropland has a series of these implements mounted side-by-side, the coulter blades being rotatably mounted in respective forks that are articulatively attached to a frame in common by hanger bars and yoke bars. Press wheels are advantageously pivoted rearwardly of the respective implements for helping to close the cuts made in the soil.
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R. L. Cook and W. C. Hulburt "Applying Fertilizers" The Yearbook of Agriculture 1957, The U.S. Department of Agriculture, Government printing office pp. 216, 217.
DeMille Danton D.
Mallinckrodt Philip A.
Mallinckrodt Robert R.
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