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Methods and Costs of Killing Hardwood Culls

Russell A. Ryker

出版	U.S. Department of Agriculture, Forest Service, Central States Forest Experiment Station, 1962
URL	http://books.google.com.hk/books?id=Bm5X0AEACAAJ&hl=&source=gbs_api

註釋

Treating low ax frills with 2,4,5-T was the most effective and one of the cheapest of four methods tried for killing cull hardwood trees.