Table 5: Relationship between mechanization and profitability of timber sales of varying sizes.

Timber sales  1–20 acresTimber sales  21–80 acresTimber sales  81+ acres
profitability ratioa profitability ratioa profitability ratioa

Mechanized1370.732430.821710.85
Non-mechanized1010.881520.88760.82

df = 1 df = 1 df = 1

aRatio consisting of the number of total sales in the acreage category divided by the number of profitable sales in the acreage category (range is from 0 to 1).