... baseline data relating to the growing of acacia sawlogs in plantations in central and northern Vietnam, log harvesting and transport, and primary processing of sawn boards in sawmills. Growing ... in Figure 12. Frequency distribution of defect-free sections of each board in the sawing study0102030402 0-6 0 6 1-9 0 9 1-1 20 12 1-1 50 15 1-1 80 18 1-2 00range of clear length (cm)number of ... of $60 m -3 for all sawlogs and $25 m -3 for pulpwood. 13 In this plantation, initial spacing was 3.5 x 1.5 m giving a stocking of 1900 stems ha -1 . The stand has not been formally thinned...