Effect of speed on subsoiler draft

Document Type

Conference Proceeding

Publication Date

1-1984

Conference Title

Conference on Agricultural Engineering 1984: Agricultural Engineering Innovation

Place of Publication

Barton, ACT

ISBN

085825204X

Keywords

Soil mechanics, Measurement, Penetrometer, Tillage, Equipment and supplies, Soil moisture

Disciplines

Other Mechanical Engineering | Soil Science

Abstract

The effect of speed was measured on the draft of a subsoiler using two different soils. Draft was calculated from engine power, rolling resistance and wheelslip. Soil moisture and cone index were also measured and an interesting was that the cone index varied markedly while the soil moisture was about the same. Draft increased linearly with speed in three experiments while there was no significant relation with speed in two experiments. Two depths were used but with only two data points at one depth no conclusions could be drawn as to whether draft increased with speed at this depth. Further work using different type spacings and soil moisture contents is required.

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