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. 



Oak 



Beech 



Ash and Birch. 



Lbs. 



550 Silver fir. . . . 



150 Spruce 



30 Scotch pine. 



Lbs. 

 40 

 10 



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

 quired for use in full seeding in England: 



Oak 



Beech 



Norway maple 



Ash 



Birch. . . 



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 



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



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



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



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



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



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

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

 Hants, 1909. 



