Many factors influences the cutting and soil turning action of the tandem disc harrow including: the diameter, weight and concavity of its blades, blade spacing, the angle of the disc harrow gang, relative to the direction of travel, and the operating speed. This machine can help prepare overwinter stubble or prepare the land for seedbeds in dry-land farming. The tandem disc harrow is used very effectively in a mulch-till system that includes soil structure improvement.
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