NATIONAL AFFORESTATION 



of. In commencing drainage, the position of 

 the main outlet should first be determined, 

 every fall of the ground being utilised. It is 

 impossible to lay down rules as to the number, 

 size, and distance apart at which the various 

 minor ditches are to be placed, these points 

 being only determinable when the nature of 

 the soil, lie of the ground, and rainfall, have 

 been carefully considered. The main drain 

 may be 3 feet deep, 2J feet to 3 feet wide at 

 top and 1 foot at bottom. The minor drains, 

 which should never be placed at right angles 

 to the main, but at an angle of, say, 45 degrees, 

 to prevent them from becoming choked in 

 exceptionally wet weather, may be 2 feet deep, 

 2f feet wide at top, and the width of the 

 draining-spade at bottom. 



Woodland roads are necessary for general 

 access to the plantation when work is being 

 carried out, for the removal of timber and 

 firewood, and for sporting purposes. They 

 should be formed before planting operations 

 are taken in hand, and need neither be of an 

 elaborate character nor attended with great 



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