LITERATURE CITED 



(1) Bond J. J., Akmy, T. J., and Van Doben, C. E. 



1962. YIELD PROBABILITY EVALUATIONS FOB DRY- 

 LAND GBAIN SOBGHUM PBODUCTION ON TWO 

 SOILS OF THE SOUTHEBN HIGH PLAINS. 



Tex. Agr. Expt. Sta. Misc. Pub. 555, 7 pp., 

 illus. 



(2) Bouyoucos, G. J., and Mick, A. H. 



1947. IMPROVEMENT IN THE PLASTEB OF PABIS 

 ABSOBPTION BLOCK ELECTBICAL RESISTANCE 

 METHOD FOB MEASUBING SOIL MOISTUBE 

 UNDER FIELD CONDITIONS. Soil Sti. 63(6): 



455-465. 



(3) Coover, J. R., Van Doren, C. E., and Whitfield, 



C. J. 

 1953. some characteristics of the PULLMAN 



SOILS ON THE AMARILLO EXPERIMENT 



station. Tex. Agr. Expt. Sta. Misc. Pub. 

 97, 11 pp. 



(4) Jensen, M. E., and Haise, H. R. 



1963. estimating evapotranspiration from 

 solar radiation. Amer. Soc. Civ. Engin. 

 Proc, Jour. Irrig. and Drain. Div. 89(IR4) : 

 15-41. 



(5) and Hildreth, R. J. 



1963. RAINFALL AT AMARILLO. TeX. Agr. Expt. 



Sta. Misc. Pub. 583, 9 pp. 



(6) and Musick, J. T. 



1960. THE effects of irrigation treatments 

 ON evapotranspiration and production 

 OF sorghum and wheat in the southern 

 great plains. Internatl. Soil Sci. 7th 

 Cong. Trans. 1(1) : 386-393. 



(7) and Musick, J. T. 



1962. irrigating grain sobghums. U.S. Dept. 

 Agr. Leaflet 511, 6 pp. 



(8) 



•and Sletten, W. H. 



1957. GOOD IBBIGATION MANAGEMENT BBINGS 

 INCBEASED SOBGHUM YIELDS. Soil and 



Water 6(7): 8-9. 



(9) Sletten, W. H., and Ochs, R. L. 



1960. mechanized soil samples with offset 

 dbive. Amer. Soc. Agr. Engin. Trans. 

 3(1): 22-24. 



(10) Lotspeich, F. B., and Cooveb, J. R. 



1962. SOIL FORMING FACTORS ON THE LLANO 

 ESTACADO: I. PARENT MATERIAL, TIME, AND 



topography. Tex. Jour. Sci. 14(1) :7-17. 



(11) Mathers, A. C, Viets, F. G., Jr., Jensen, M. E., 



and Sletten, W. H. 



1960. relationship of nitrogen and grain 

 sorghum yield under three moisture 

 regimes. Agron. Jour. 52:443-446. 



(12) Musick, J. T., Grimes, D. W., and Herron, G. M. 



1963. irrigation water management and 

 nitrogen fertilization of grain sor- 

 GHUMS. Agron. Jour. 55:295-298. 



(13) Porter, K. B., Jensen, M. E., and Sletten, W. H. 



1960. THE EFFECT OF ROW SPACING, FERTILIZER 

 AND PLANTING RATE ON THE YIELD AND 

 WATER USE OF IRRIGATED GRAIN SOR- 

 GHUM. Agron. Jour. 52:431-434. 



(14) Quinby, J. R., Kramer, N. W., Stephens, J. C, 



and others. 



1958. GRAIN SORGHUM PRODUCTION IN TEXAS. 



Tex. Agr. Expt. Sta. Bui. 912, 35 pp. 



(15) Taylor, H. M., Van Doren, C. E., Godfrey, C. L., 



and Coover, J. R. 



1963. soils of the southwestern great 

 plains field station. Tex. Agr. Expt. 

 Sta. Misc. Pub. 669, 14 pp. 



(16) Viets, F. G., Jr. 



1962. fertilizers and efficient use of water. 

 Adv. in Agron. 14:223-264. 



17 



