SHORTLEAF PINE: IMPORTANCE AND MANAGEMENT. 81 
TaBLE 16.—Yield* per acre of fully stocked second-growth shortleaf pine in 
Arkansas. 
QUALITY T. 
Basal | Average Saw timber. 
meee acai Gee : ee 
tota reast- rees . oli 
Age. per height), | 6 inches Height. Scribner| Dovle | Measure. 
acre tota and Y. 
rule. rule. 
639 166 ie 43 MON tees 2,500 
25 473 182 8.6 50 | 12,700 4,200 3,630 
30 380 195 9.6 55 | 17,500 6, 600 4,900 
35 316 205 10.6 60 | 22,400 9, 700 6, 060 
40 276 213 11.4 65 | 27,500 | 13,400 7,010 
45 245 219 12.2 69 | 32,500 | 17,600 7,730 
50 220 225 13.0 73 | 37,400 | 21,800 8,320 
55 201 230 13.6 76 | 42,200 | 25,600 8, 850 
60 186 234 14.2 79 | 46,850 | 29,000 9,320 
65 174 237 14.8 81 | 51,350 | 32,100 9,760 
70 164 240 15.3 84 | 55,750 | 35,000 | 10,160 
75 155 242 15.8 S6;, Rs 37,800 | 10,520 
80 147 243 16.2 9g. (E0s 40,500. | 10,850 
QUALITY IL. 
20 1, 130 125 6.6 35 Al OB Oe sleet 1,740 
25 784 139 7.5 41 7, 450 2,700 2,520 
30 595 150 8.3 46 | 10,600 4,500 3,390 
35 479 159 9.1 51 | 13,800 6, 800 4) 220 
40 404 167 9.9 55 | 17,000 9, 500 4) 930 
45 351 173 10.7 58 | 20,200 | 12,400 5,520 
50 308 178 11.3 61 | 23,450 | 15,400 6, 050 
55 277 183 12.0 64 | 26,850 | 18,200 6,520 
60 249 186 12.5 67 | 30,600 | 20,600 6, 980 
65 229 189 13.1 69 | 34,050 | 23,000 7,410 
70 214 191 13.6 72 | 37,500 | 25,200 7, 800 
75 197 193 14.1 74 | 40,850 | 27,400 8, 160 
80 184 194 14.5 76 | 44,000 | 29,500 8, 500 
QUALITY II. 
20 fie) SER Pm oS The tata elem Dag GUM GARI Ai fio 888) 
25 1, 088 95 6.3 33 2, 600 1, 200 1,390 
30 802 105 7.0 37 4,300 2,500 1, 870 
35 638 113 TES, 41 6, 000 3,900 2,360 
40 521 120 8.4 44 7,900 5, 500 2) 850 
45 446 126 9.1 47 | 10,000 7, 200 3,310 
50 385 131 9.7 50 | 12,200 9, 000 3, 760 
55 343 135 10.3 53 | 14,600 | 10,700 4,210 
60 312 138 10. 8 55 | 17,000 | 12,300 4) 650 
65 284 140 11.4 57 | 19,500 | 13,900 5,070 
70 260 142 11.9 59 | 22,000 | 15,400 5, 450 
75 242 143 12.4 61 | 24,600 | 16,900 5, 810 
80 225 143 12.9 63 | 27,100 | 18,400 6,150 
1 Based on 38 fully stocked sample plots; area 5.8 acres. All trees 6 inches and over in diameter breast- 
high were scaled: Top diameter, 5.5 inches; stump height, 1 foot. Table is only preliminary, based upon 
insufficient measurements but used here for comparison until more complete data are available. 
