Question Statement:
A tractor-drawn cultivator has width of cut $2.4\text{ m}$. Forward speed is $5.0\text{ km/h}$. Over an 8-hour workday, the machine covers $7.68\text{ ha}$. The field efficiency in percentage is:
Section 2: Farm Machinery
Subtopic: Calculation of performance parameters – field capacity, efficiency, performance index, application rate and losses
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