Orchard Irrigation 



375 



being led through an orange orchard in an ideal 

 manner, both as to number and size of furrows and 

 volume of water which each is permitted to carry. 

 The aim is to allow small streams to flow slowly 

 through the narrow furrows for a long time, until the 

 water has penetrated by percolation deeply beneath the 

 surface and at the same time has spread broadly by 



Fig. 103. Orchard irrigation, with wooden flume in foreground. 



capillarity side wise under the surface mulch. In Fig. 

 103 is shown a wooden flume box, which brings the 

 water to the orchard, delivering it to the several 

 furrows through holes in the side which are %- inch 

 to 1 inch in diameter, and which are provided with 

 wooden buttons or metal slides for regulating the 

 amount of water admitted to each furrow. 



The appearance of the furrows after the capillary 

 spread has been considerable is represented in Fig. 



