240 



ELEMENTS OF SYLVICULTURE. 



necessary in band cultivation than when the entire 

 surface of the soil is cultivated, and more for the 

 patch than the band method of cultivation. The 

 intervals between the bands and patches having 

 been determined by the distance desired between 

 the two adjacent plants, no room ought to be left for 

 failure. 



Lastly, the season of sowing must be taken into 

 account, as well as the various causes of destruction 

 to which the seeds are exposed. Thus sowing ought 

 to be thicker in autumn than in spring. 



In ordinary circumstances, the following figures 

 calculated for an acre may be adopted : 



DRYING HOUSES FOR CONIFER SEEDS. It now 

 remains to examine the process of extracting the 

 seeds of the conifers from the cones which contain 



