ESTABLISHING FORESTS BY DIRECT SEEDING 211 



4. AMOUNT OF SEED REQUIRED 



The following figures given by Schlich 1 show the average 

 amount of seed used in full seeding in European practice. The 

 amounts are in pounds per acre. 



Lbs. 



Oak 550 



Beech 150 



Ash and Birch. . 30 



Lbs. 



Silver fir 40 



Spruce 10 



Scotch pine 6 



Maw 2 gives the following as the average amount of seed re- 

 quired for use in full seeding in England : 



Lba. 



Oak 900 



Beech 150 



Norway maple 45 



Ash 35 



Birch. . 10 



Lbs. 



Scotch pine 6 



Norway spruce 8 



Silver fir 60 



Sitka spruce 4 



Western red cedar. . 2 



The following table shows the amount of seed recommended 

 by different authors for full seeding on average sites in German 

 practice. It also shows that practitioners do not agree on the 

 amount of seed best to use. 



Amount of seed per acre recommended by 



1 Mayr, H.: Waldbau auf naturgesetzlicher Grundlage. S. 383. Berlin, 1909. 



2 Heyer, Carl: Der Waldbau oder die Foratproduktenzucht. I. Bd., S. 176. Leipzig, 1906. 



3 Gayer, Karl: Der Waldbau. S. 321. Berlin, 1898. 



* Burckhardt, Heinrich: Saen und Pflanzen. Trier, 1893. 

 6 Only 18 quarts per acre in full seeding under an overwood. 



1 Schlich, Wm.: Manual of forestry, vol. II, p. 157. London, 1910. 



2 Maw, P. T.: The practice of forestry, pp. 140-141. Brockenhurst, 

 Hants, 1909. 



