Field Efficiency (\( \xi_f = \frac{C_e}{C_t} \times 100 \)):

Where:

• \( \xi_f \) is the field efficiency, in percentage (%).
• \( C_e \) is the effective field capacity, in hectares per hour (ha/hr).
• \( C_t \) is the theoretical field capacity, in hectares per hour (ha/hr).