References
- Brockman, J. S. and Walton, K. M. (1963). The use of nitrogen on white clover swards. J. Br. Grassld. Soc., 18, 7.
- Dagg, M. (1958). Structural effects of cattle trampling. E.A.A.F.R.O. Record of Research, 16.
- Harker, K. W. (1960). Defaecating habits of a herd of Zebu cattle. Trop. Agriculture, Trin., 37, 193.
- Horrell, C. R. (1958). Herbage plants at Serere Experiment Station, Uganda, 1954–1957. E. Afr. agric. J., 24, 41 and 135.
- Horrell, C. R. (1963). Herbage plants at Serere, Uganda, 1957–1961. E. Afr. agric, for. J., 28, 174.
- Hosking, S. K. and Stephens, A. L. (1941). Pastures and grasses on the Serere Experiment Station, Uganda. E. Afr. agric. J., 6, 213.
- Jameson, J. D. and Kerkham, R. K. (1960). Maintenance of soil fertility in Uganda. 1. Empire J. Expt. Agric., 28, 179.
- Joblin, A. D. H. (1960). The influence of night grazing on the growth rates of Zebu cattle in East Africa. J. Br. Grassland Soc., 15, 212.
- Kerkham, R. K. (1947). Effect of grazing management on soil fertility. E. Afr. agric. J., 13, 3.
- Martin, W. S. and Biggs, C. E. J. (1937). Experiments on the maintenance of soil fertility in Uganda. E. Afr. agric. J., 2, 371.
- Martin, W. S. and Badcock, J. (1937). Preliminary studies of grass and grazing made at Ngetta, Northern Province, Uganda. E. Afr. agric. J., 3, 192.
- Mills, W. R. (1960). The long-term rotational and manurial trial at Serere, Uganda. The relationship between 20 years of crop yields and soil fertility. E. Afr. Specialist Comm. Meet, on Soil Fert.—cyclostyled report.
- Norman, M. J. T. and Green, J. O. (1958). The local influence of cattle dung and urine upon the yield and botanical composition of permanent pasture. J. Brit. Grassld. Soc., 13, 39.
- Smith, C. A. (1965). Studies on the Hyparrhenia veld. VI. The fertilizer value of cattle excreta. J. agric. Sci., 64, 177.
- Wadsworth, G. W. (1967). Uganda, Department of Agriculture, Serere Research Station, Chemistry Annual Report, Part II, 1966/67.
- Wheeler, J. L. (1958). The effect of sheep excreta and nitrogenous fertilizer on the botanical composition and production of a ley. J. Brit. Grassld. Soc., 13, 196.
- Whitney, A. S., Yanehiro, Y. and Sherman, G. D. (1967). Nitrogen relationships of three tropical forage legumes in pure stand and in grass mixtures. Agron. J., 59, 47.
- Williams, E. (1950). Grazing and grass testing. Department of Agriculture Record of Investigations No. 2, D. Agronomy, 47.
- Wilson, P. N. (1961). The grazing behaviour and free-water intake of East African short-horned Zebu heifers at Serere, Uganda. J. Agric. Sci., 56, 351.