Bench Construction 



so that they may l)e used either for surface watering or sub-irrigation. When 

 used for surface watering, the valves are left open, and the soil is watered 

 the same as with any method of surface watering. The surplus water will 

 drain off through the valves. 



Apart from any consideration of sub-irrigation, these benches have 

 the following advantages : they are extremely durable, and will last thirty 



Sub- Irrigation Benches 

 Ready tor Irrigating Tile — Showing manner of building on sloping ground 



years or more wnth proper care, and there will be very little expense in 

 renewing and repairing them. If yellow locust or red cedar posts are used, 

 they, when set as above described, will also last fully as long as the bench. 

 The yellow-pine bearer, which is thoroughly painted on all sides and the 

 ends, the slots in which the iron bearers rest being also painted, will likewise 



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