156 IRRIGATION PRACTICE 



control of the irrigation farmer, and, because its effects 

 are large, is of greatest importance. 



REFERENCES 



BOUYOUCOS, G. J. Transpiration of Wheat Seedlings as Affected 

 by Soils, by Solutions of Different Densities, and by Various 

 Chemical Compounds. Proceedings of the American Society 

 of Agronomy, Vol. Ill, p. 130 (1911). 



BRIGGS, LYMAN J., and SHANTZ, H. L. The Water Requirements of 

 Plants. United States Department of Agriculture, Bureau of 

 Plant Industry, BuUetins Nos. 284 and 285 (1913). 



FORTIER, SAMUEL. Soil Moisture in Relation to Crop- Yield. Mon- 

 tana Experiment Station, Ninth Annual Report (1902). 



HARRIS, F. S. Effects of Varying Soil-Moisture Content on Certain 

 Properties of the Soil and on the Growth of Wheat. Cornell 

 University, Doctor's Thesis (1911). 



HARRIS, F. S. Long versus Short Periods of Transpiration in 

 Plants Used as Indicators of Soil Fertility. Proceedings of the 

 American Society of Agronomy, Vol. Ill (1910). 



KHANKHAJE, P. S. Some Factors Which Influence the Water Require- 

 ments of Plants. Journal American Society of Agronomy, Vol. 

 VI, p. 1 (1914). 



KING, F. H. The Physics of Agriculture. Second edition (1901). 



LEATHER, J. W. Water Requirements of Crops in India. Agricul- 

 tural Institute, Pusa, Memoirs of the Department of Agricul- 

 ture in India, Part I, Vol. I, No. 8, (1910); Part II, Vol. I, No. 

 10 (1911). 



MAYER, A. Ueber den Einfluss Kleineren oder Grosseren Mengen 

 von Wasser auf die Entwickelung einiger Kulturpflanzen. 

 Journal fur Landwirtschaft, Band 46, S. 167 (1898). 



MONTGOMERY, E. G. Correlation Studies of Corn. Nebraska 

 Experiment Station, Twenty-fourth Annual Report, p. 109, 

 especially p. 150 (1911). 



MONTGOMERY, E. G., and KIESSELBACH, J. A. The Relation of 

 Climatic Factors to the Water Used by the Corn Plant. 

 Nebraska Experiment Station, Twenty-fourth Annual Report, 

 p. 91 (1911). 



