spring-tooth harrow


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spring-tooth harrow

[‚spriŋ ‚tüth ′har·ō]
(agriculture)
An implement pulled over plowed soil that has long curved teeth of spring steel, used to break clods, level the surface, and destroy weeds.
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Estimated Percentage of Residue Remaining Implement After Each Operation Inverting tools Moldboard plow 5 Lister plow 20 Mixing tools Field cultivator 80 Chisel plow, spear point 80 Chisel plow, twisted point 50 Rototill to 6 inches 25 Rototill to 3 inches 50 Tandem disc to 6 inches 25 Tandem disc to 3 inches 50 Spring-tooth harrow 60 Spike-tooth harrow 70 Subsurface tools Blades or sweeps 90 Rodweeders 90 FIGURE 16-15 Average corn yield after tillage treatment for continuous corn in Ohio.
A more modern, vigorous and versatile version of the spring-tooth harrow is the S-tine cultivator.
Also, a spring-tooth may be used similar to those on the spring-tooth harrow.