and Fosick report that "the rate of return from good sites is approxi- 

 mately double that from poor sites for uniform investment levels and 

 rotation lengths". This is for Loblolly and slash pine plantations in 

 the South.* They also found that shorter rotations were possible on 

 good sites as compared to poor sites. 



* Yoho and Fosick. 1965. A guide to loblolly and slash pine plantation manage- 

 ment in southeastern U.S.A. Georgia Forest Research Council. 



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