12) Millar, C. E. "Soil Fertility". John Wiley and Sons 

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13) Lyon, T. L., H. 0. Buckman and N. C. Brady. The 

 Nature and Properties of Soils . The MacMillan Company . 

 Fifth Edition, p. ^53- 1952. 



14) Terman, G. L. "Volatilization Loss of Nitrogen as 

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 Agrichemical West, pp. 6-13 . December I965. 



15) United States Department of Agriculture, Agricultural 

 Research Service, Fresno, California. 1959. 

 (Unpublished data) 



16) Ponnamperuma, F. N. "The Mineral Nutrition of the Rice 

 Plant". Proceedings of a Symposium at the International 

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17) Power, J. F. "What Happens to Fertilizer Nitrogen in 

 the Soil" . Journal of Soil and Water Conservation , 

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18) Meek, B. D., L. B. Grass, and A. J. MacKenzie. "Applied 

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 Soil Science Society of American Proceedings . Vol. 33^ 

 No. 4, p. 575. July-August 1969- 



19) Allison, F. E. "The Enigma of Soil Nitrogen Balance 

 Sheets". Advances in Agronomy . Vol. 7. 1955. 



20) Dyer, Kenneth L, "Interpretation of Chloride and 

 Nitrate Ion Distribution Patterns in Adjacent Irrigated 

 and Nonirrigated Panoche Soils" . Soil S c ience Society 

 of American Proceedings . Vol. 29, No. 2, pp. 170-1767 

 March-April i9t>5. 



21) Johnston, W. F., F. Ittihadieh, R. F. Daum and 



A. F. Pillsbury. "Nitrogen and Phosphorus in Tile 

 Drainage Effluent". Soil Science Society of American 

 Proceedings . Vol. 29, No. 3, pp. 287-2tS9" May -June 

 1955"^ 



22) Williford, J. W. and T. C. Tucker. "The Movement of 

 Nitrogenous Fertilizers Through Soil Columns". Paper 

 presented at the National Fall Meeting, American Geo- 

 physical Union, San Francisco, California. 

 December 15-18, I969. 



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