178 



IRRIGATION FARMING. 



and more thrifty a short distance from a ditch bank, 

 where they receive all their moisture by seepage, than 

 they will farther out in the field, where irrigated by 

 flooding though kept sufficiently moist. Most gener- 



FIG. 50 — DIAGONAL PLOW FURROWS ACROSS A FIELD. 



ally in the spreading of water over farms — particu- 

 larly those that have not been properly graded as 

 described — plow furrows are run diagonally across 

 fields, as outlined in Fig. 50. This system is the most 

 practicable to use in flooding land. The furrows 

 which distribute the water are run in such direction, 



