312 IRRIGATION PRACTICE 



tion in making any new crop successful. If the soil is of 

 the right kind, and jrrigation is practised in moderation, 

 more depends upon^he careful', persistent cultivation of 

 the soil than upon the water- or the soil. The irrigation 

 farmer needs to remember over and over that irrigation 

 is simply the supplementing of the natural rainfall, and 



FIG. 86. Irrigating cantaloupes. 



that any crop grown under natural rainfall may be grown 

 with irrigation providing soil and climatic conditions are 

 % suitable for the crop. 



REFERENCES 



CLARK, J. MAX. Potato Culture near Greeley, Colorado. United 



States Department of Agriculture, Yearbook for 1904. 

 COIT, J. ELIOT, and PACKARD, WALTER E. Imperial Valley Settlers' 



Crop Manual. California Experiment Station, Bulletin No. 



210 (1911). 

 CORBET, L. C. Suggestions to Potato Growers on Irrigated Lands. 



United States Department of Agriculture, Bureau of Plant 



Industry, Circular No. 90 (1912). 

 GRUBB, E H. Potato Culture on Irrigated Farms of the West. 



United States Department of Agriculture, Farmers' Bulletin 



No. 386 (1910). 



