UNIVERSITY 



Sewage Waters for Irrigation 



255 



the ditches in order. The sewage he gets free. The 

 yield of grass is estimated at from 50 to 70 tons 

 per acre." 



In 1895, 18 years later, the writer visited the 

 meadows described above, and Figs. 46 and 47 were 

 taken at the time. The first figure shows a load 

 of grass, estimated to weigh 2,500 pounds, cut to 

 feed 23 cows during one day, from an area of 2,734 

 square feet. Seven acres of this grass had been 

 purchased to feed the herd of 23 cows from May 1 to 



Fig. 46. Two thousand five hundred pounds of grass cut on 2,734 SQ. ft. 

 of Craigentinny Meadows, Edinburgh, Scotland. 



October 20, during which time the grass would be 

 cut four or five times, and the price paid for this 

 grass, sold at auction, varied from $77.44 to $111.32 

 per acre, according to the quality of the several plots 

 making up the seven acres purchased. The increase of 

 these meadows about Edinburgh, it was said, was 

 tending to lower the price which this grass could 



