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本文调查了三种耐用木材(Afzelia africana J.E. Smith; Erythrophleum suaveolens (Guill & Perr.) Brenam. Syn. E guinensis G.Don. or Milicia excelsa (Welw) C.C. Berg. Syn. Chlorophora excelsa (Welw) Benth.)的心材提取物(在60%的甲醇中风干提取)和两种专用木材防腐剂(CCA和Penta)在暴露的土壤区组设计条件下,抑制三种木材