METHODS AND PRACTICE 



163 



objects of soil-shading and branch-suppression, and what 

 proportion the nurses should bear to the main crop. The 



B = Birch. 



8 = Silver Fir or Corsicau Pine. 



L=: Larch. 



-B 



A = Light-deniaiulers. 

 B = Shade-bearers. 

 L= Larch. 



DIAGRAM FOR TREE- PLANTING. 



number of trees put in per acre will determine the age 

 or size at which a complete canopy is formed, or the 



