Use the calculator below to estimate an economic injury level for corn earworm in soybean. You'll need to know the sampling method, row spacing, expected annual costs for control, and the price of soybeans.
Beat cloth: sample two rows, 3 feet on each side, for a 6 row-foot sample
Sweep net: each sweep should cover 5, 3, or 2 rows of 7 inch, 14 inch, or 21 inch rows, respectively
Rigid beat cloth: sample two 7" rows simultaneously (side by side rows) or one row if at, or above, 14 inch row width
Use the scratch pad below as a simple calculator. Type in an expression and click 'Evaluate'.