References
- Cochran, W. O. (1937). J. R. Stat. Soc. suppl. 4, 233–253.
- Federer, W. T. (1955). Experimental Design, Macmillan, New York, p. 64.
- Hatheway, W. H. and Williams, E. J. (1958), Efficient estimation of the relationship between plot size and variability of crop yields. Biometrics 14, 207–222.
- Hodnett. G. E. (1953), A uniformity trial on groundnuts, J. Agric. Sci. 43,323–328
- Koch, E.J. and Rigney, J.A. (1951). A method for estimating optimum plot size from experimental data. Agron. J. 43, 17–21.
- Smith, H. F. (1936). An empirical low describing hetrerogeneity in the yield of agricultural crops, J. Agric. Sci. Vol. XXXV III par (1) Jan.
- Zuhike, T. A. and Gritton, P. T. (1969) optimum plot size and shade estimates for pea yield trials. Agron. J. 61 (6), 905–908