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Description: Cultivators of the heavy-duty and rod-weeder type are widely used for summer-fallow tillage and seed-bed preparation. The ability of these machines to maintain plant residue on the soil surface (trash cover conservation) is an important reason for their use in the grain-producing areas of the Great Central Plains of North America. It was reported (3) that the rod weeder, when used for secondary tillage, generally buried 10 per cent or less of the existing trash cover during each operation. Also, the heavyduty cultivator reduced surface trash by values of 30 to 50 percent during primary tillage and 5 to 20 percent during secondary tillage. A generalized surface cover reduction value of about 15 percent per stroke was suggested (4) for the heavy-duty cultivator when equipped with sweeps and a rod-weeder attachment. Increased trash conservation and a leveling of cultivator furrows and ridges resulted from the use of the rod-weeder attachment (2). Operator-controllable factors such as speed and depth of operation and stubble height influenced trash conservation with disc machines (5). It has been observed (1, 3) that these factors also influenced trash conservation with subsurface cultivators.

Keywords: some factors affecting trash conservation with the heavy-duty cultivator
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Citation: Anderson, D.T. 1965. SOME FACTORS AFFECTING TRASH CONSERVATION WITH THE HEAVY-DUTY CULTIVATOR. Canadian Agricultural Engineering 7(1):45-46.
Volume: 7
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Pages -
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Date: 1965
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Coverage: Canada
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