User input to the computer-based bucking system includes species, butt diameter, and the number of grade zones for each tree to be bucked.
Data for a total of 51 trees from 10 different species that were bucked manually by a logger were investigated.
About 60 percent of bucking patterns generated by the computer were different from the patterns bucked manually.
The effects of three interactions among species group, butt diameter class, and bucking method were tested on gross value and volume yield of bucked logs per tree.
Means and significance levels of statistics of tree stems bucked by a logger and a computer for northeastern China tree species.