A working plan for forest lands near Pine Bluff, Arkansas . THE MERCHANTABLE FOREST. 17 The number of trees per acre below 22 inches in diameter is dispro-portionately small, as Mas shown by figure 1, which is a graphic rep-resentation of this table. The trees now approaching merchantablesize are not sufficient in number to maintain the present proportion ofmature timber. This has a serious influence on future yields, since itlengthens considerably the time required for the production of a sec-ond crop equal to the present one. and it shows, moreover, that theland is capable of producing a muc
A working plan for forest lands near Pine Bluff, Arkansas . THE MERCHANTABLE FOREST. 17 The number of trees per acre below 22 inches in diameter is dispro-portionately small, as Mas shown by figure 1, which is a graphic rep-resentation of this table. The trees now approaching merchantablesize are not sufficient in number to maintain the present proportion ofmature timber. This has a serious influence on future yields, since itlengthens considerably the time required for the production of a sec-ond crop equal to the present one. and it shows, moreover, that theland is capable of producing a much larger stand of timber than it isnow maturing. The following table gives the average contents of standing pine inboard feet, by Doyles Rule, on a basis of diameter at holds good for both Shortleaf and Loblolly Pine. Figure 3 is agraphic representation of this table. Table No. 3.—Contorts of pine, in board feet, according to diameter breaxthigh. [By Doyles Rule.] Diameterbreast-high. Merchant-able con-tents. Diameterbreast-high. Mercha
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Keywords: ., bookcentury1900, bookdecade1900, bookidworkingplanf, bookyear1902
