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    Mechanical 
      Dense undergrowth reduces feller-buncher productivity in shortleaf pine plantations
    
    
    
    Granskog, J. E., & Anderson, W. C. (1981). Dense undergrowth reduces feller-buncher productivity in shortleaf pine plantations. Southern Forest Experiment Station, Research Note SO-274. Retrieved from https://www.srs.fs.usda.gov/pubs/rn/rn_so274.pdf  | 
                              
                            

      Dense undergrowth reduces feller-buncher productivity in shortleaf pine plantations
    