FACTORS AND TABLES OF EQUIVALENTS USED IN FORESTRY 21 

 Table 33. — Number of seeds per unit weight * 



Number 



Number 2 



Number 



Number 



Number 2 



Number 



per ounce 



per gram 



per pound 



per ounce 



per gram 



per pound 



100 



3. 5274 



1,600 



1, 984. 47 



70 



31, 751 



125 



4. 4092 



2,000 



2,000 



70. 5479 



32, 000 



141. 15 



5 



2. 268 



2, 267. 96 



80 



36, 287 



150 



5. 2911 



2,400 



2,500 



88. 1849 



40, 000 



200 



7. 0548 



3,200 



2,551.46 



90 



40, 823 



283. 50 



10 



4,536 



2, 750 



97. 0034 



44, 000 



300 



10. 5822 



4,800 



2, 834. 95 



100 



45, 359 



312. 5 



11.0231 



5,000 



3,000 



105. 8219 



48, 000 



400 



14. 1096 



6,400 



3,125 



110. 2311 



50, 000 



425. 24 



15 



6, 80/, 



3, 750 



132. 2775 



60, 000 



500 



17. 6370 



8,000 



4,000 



141.0958 



64, 000 



566. 99 



20 



9,072 



4,375 



151. 3236 



70, 000 



600 



21. 1644 



9,600 



5,000 



176. 3698 



80, 000 



625 



22. 0462 



10,000 



5, 625 



198. 4160 



90, 000 



700 



24. 6918 



11,200 



6,000 



211.6437 



96, 000 



708. H 



25 



11,340 



6, 250 



220. 4622 



100, 000 



800 



28. 2192 



12, 800 



7,000 



246. 9177 



112,000 



850. 4.9 



30 



13, 608 



7,812.5 



275. 5778 



125, 000 



900 



31, 7466 



14, 400 



9, 375 



330. 6934 



150, 000 



937.5 



33. 0693 



15, 000 



10, 000 



352. 7396 



160, 000 



1,000 



35. 2740 



16, 000 



12,500 



440. 9245 



200, 000 



1, 133. 98 



40 



18, 144 



14, 174. 76 



500 



226, 796 



1,250 



44.0924 



20, 000 



15,000 



529. 1094 



240, 000 



1,417.48 



50 



22, 680 



15, 625 



551. 1556 



250, 000 



1,500 



52. 910-9 



24, 000 



20, 000 



705. 4791 



320, 000 



1,562.5 



55. 1156 



25, 000 



28, 349. 53 



1,000 



453, 592 



1, 700. 97 



60 



27, 216 



30, 000 



1, 058. 2187 



480, 000 



1, 750 



61. 7294 



28, 000 



31, 250 



1, 102. 3112 



500,000 



1,875 



66. 1387 



30,000 









1 The value in heavier type is that from which the corresponding values were computed. 



2 Number per kilogram equals 1,000 times number per gram. 



Table 34. — Number of seeds or plants per unit area 1 



Side dimensions 



Rectangle 



Inches 



1 X 



1 





1 X 



2 



1 X 



3 



1 X 



4 



1 X 



5 



1 X 



6 



1 X 

 1 X 

 1 X 



7 

 8 

 9 



1 X 



2 x 

 2 x 

 2 x 

 2 x 

 2 x 



2x7 



3 x 



Square 



Inches 



0.85 



1 



1.2 



1.39 



1.41 



1.70 



1.73 



1.90 



2 



2.19 



2.24 



2.4 



2.45 



2.50 



2.65 



2.83 



3 



3.10 



3.16 



2 



2.45 



2.83 



3.16 



3.46 



3.54 



3.74 



3.79 



4 



4.24 



4.47 



3 



3.46 



3.87 



4.24 



4.57 



4.90 



Feet 



0.071 

 .083 

 .1 



.115 

 .118 

 .141 

 .144 

 .158 

 .167 

 .183 

 .186 

 .2 



.204 

 .209 

 .220 

 .236 

 .25 

 .258 

 .264 

 .167 

 .204 

 .236 

 .264 

 .289 

 .295 

 .312 

 .316 

 .333 

 .354 

 .373 

 .25 

 .289 

 .323 

 .354 

 .381 

 .408 



Number 



per 



square 



foot 



200 



144 

 100 

 75 

 72 

 50 

 48 

 40 

 36 

 30 



28.8 

 25 

 24 



22.96 

 20.57 

 18 

 16 

 15 



14.4 

 36 

 24 

 18 



14.4 

 12 



11.48 

 10.29 

 10 



9 



8 



7.2 

 16 

 12 



9.6 



8 



6.89 



6 



Number 



per 

 milacre 



8,712 



6,273 



4,356 



3,267 



3,136 



2,178 



2, 091 



1,742 



1,568 



1,307 



1,255 



1,089 



1,045 



1,000 



896 



784 



697 



653 



627 



1.568 



1,045 



784 



627 



523 



500 



448 



436 



392 



348 



314 



697 



523 



418 



348 



300 



261 



Side dimensions 



Rectangle 



Inches 



3 x 



3 x 10 

 4x4 

 4x5 



x 6 



5 x 

 5 x 



X 



5 x 10 

 6x6 

 6x8 

 6x9 



6 x 



7 x 

 7 x 



in 



7 x 10 



8x8 



8 x 10 

 9x9 



10 x 10 

 i2x 12 



Square 



Inches 



5.20 



5.37 



5.48 



4 



4.47 



4.57 



4.90 



5.29 



5.66 



6 



6.32 



5 



5.48 



5.60 



5.92 



6.32 



6.71 



6.93 



7.07 



7.35 



7.75 



7 



7.48 



7.92 



8.37 



8 



8.49 



8.94 



9 



9.15 

 10 



11.20 

 12 



Feet 



0.433 

 .447 

 .456 

 .333 

 .373 

 .381 

 .408 

 .441 

 .471 

 .5 



.527 

 .417 

 .456 

 .467 

 .493 

 .527 

 .559 

 .577 

 .589 

 .5 



.577 

 .612 

 .645 

 .583 

 .624 

 .660 

 .697 

 .667 

 .707 

 .745 

 .75 

 .762 

 .833 

 .933 



1 



Num hel- 

 per 

 square 

 foot 



5.33 

 5 



4.8 



9 



7.2 



6.89 



6 



5.14 



4.5 



4 



3.6 



5.76 



4.8 



4.59 



4.11 



3.6 



3.2 



3 



2.88 



2.67 



2.4 



2.94 



2.57 



2.30 



2.06 



2.25 



2 



1.8 



1.78 



1.72 



1.44 



1.15 



1 



Number 



per 

 milacre 



232 

 218 

 209 

 392 

 314 

 300 

 261 

 224 

 196 

 174 

 157 

 251 

 209 

 200 

 179 

 157 

 139 

 131 

 125 

 174 

 131 

 116 

 105 

 128 

 112 

 100 



i Corresponding values were computed from the 

 indicated. 



ilue in heavier type where no rectangular values are 



