AM ERICA \ SYLVICULTURE 



B. Figures adopted at Biltmore for broadcast planting 



are, per acre: 



White Oak and Chestnut Oak, 12 bu. 

 Red Oak and Black Oak, 8 bu. 

 Ash, 40 lbs. 

 • Beech, 130 lbs. 



Maple, 40 lbs. 

 Elm, 24 lbs. 

 Birch, 32 lbs. 

 Firs, 45 lbs. 

 Spruce, 10 lbs. 

 Larch, 10 lbs. 

 Yellow Pine, 8 lbs. 

 ^^■hite Pine, 12 ibs. 



C. Small seeds: Number of seeds in one pound (ap- 

 proximatelf^, all coniferous seeds without wings) : 



Ash (3,200 



Elm 55,000 



Silver Fir 9,000 



Tamarack 70,000 



White Pine 30,000 



Maple 5,000 



Birch 80,000 



European Spruce 56,000 



Scotch Pine 70,000 



Eastern Spruce 150,000 



Western Yellow Pine 12,000 



D. Large seeds: Number of seeds in one bushel are: 



WHiite Oak 8,000 



Red Oak 3,000 



Walnuts 800 



E. Work of the Forest Service: The Forest Service has 

 tried direct seeding — first in 1905, with phenomenal success, in the 

 Black Hills of South Dakota. Since that time the success obtained 

 has been more limited. In 1910, approximately 14,000 acres were 

 planted by direct seeding in the National Forests. Seventy-five 

 per cent, of all Service planting is seedspot work. 



After Raphael Zon, U. S. Forest Service, the following quan- 

 tities of seed should be used for direct seeding in the National 

 Forests : 



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