What is the broadcast equivalent rate for a shank-applied bedded field given bed width bottom 40 inches, row spacing 72 inches, product per treated acre in beds 100 lbs, and application block size 15 acres?

• A. 50.0 lbs/ac
• B. 55.6 lbs/ac
• C. 60.0 lbs/ac
• D. 52.3 lbs/ac

Answer: (B)

Broadcast equivalent rate is found by scaling the bed-applied rate to the entire field based on how much of the field is actually bed area. With a bed width of 40 inches and row spacing of 72 inches, beds cover 40/72 of the field, about 0.5556. So, 100 lb per bed-acre becomes 100 × 0.5556 ≈ 55.6 lb per field-acre. The block size doesn’t change the rate per acre; it would only affect total pounds for that 15-acre block (55.6 × 15 ≈ 834 lb).