The efficiency of three plowing patterns most commonly adopted by the farmers was investigated. The values obtained were 93.6 for headland pattern from boundaries of field, 86.5 for headland pattern from back furrow and 92.4 for headlandpattern mixed mode (02 back furrowed 03 land pattern).The time efficiencies of 03 selected patterns of plowing were also determined and the values obtained were 94.0, 86.5 and 92.4 for headland pattern from boundaries of field, headland pattern from back furrow and headland pattern mixed mode,respectively. The headland pattern from boundaries gave the highest plowing and time efficiencies.It was concluded that the efficiency of plowing patterns was influenced and affected by the number of back furrows, plowing speed, idle travel' speed at the ends of the field and idle travel speed at the ends of headlands.
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