References
- Anderson, G. D. (1967). Increasing Coconut Yields and Income on the Sandy Soils of the Tanganyika Coast. E. Afr. agric. for. J., 32, 310.
- Anderson, G. D. (In press). Soil Fertility Studies on a Sandy Loam Soil in Semi-Arid Tanzania. III—Effects of Fertilizer Application on Soil Nutrient Status under Maize Cropping.
- Bremner, J. M. (1960). Determination of Nitrogen in Soil by the Kjeldahl Method. J. Agric. Sci., 55, 11.
- Dovrat, A. (1966). Responses of Rhodes Grass and Overseeded Legumes to Nitrogen and Potash Fertilizers and to the Availability of Soil Potassium in Israel. Exp. Agric. 2 (4), 255–263.
- E. African Met. Dept. (1967). Summary of Rainfall in Tanzania for 1966. E.A.C.S.O., Nairobi.
- Henzell, E. F. (1967). Transfer of Nitrogen from Legume to Grass. Ann. Rep. Div. Trop. Pastures, 1966–67. C.S.I.R.O., p. 76.
- Jones, P. A., Robinson, J. B. D. and Wallis, J. A. N. (1960). Fertilizers, Manure and Mulch in Kenya Coffee Growing. Emp. Journ. Expt. Agric., 28, p. 335.
- Jones, R. J. (1967). The Effect of Treatments on Tropical Legumes and Lucerne. Ann. Rep. 1966–67. Div. Trop. Pasture, C.S.I.R.O. p. 43.
- Le Mare, P. H. (1959). Soil Fertility Studies in Three Areas of Tanganyika. Emp. Journ. Expt. Agric. 27, 197.
- Naveh Z. and Anderson, G. D. (1967). Promising Pasture Plants for Northern Tanzania. IV—Legumes, Grasses and Grass/Legume Mixtures. E. Afr. agric. for. J., 32, 282–304.
- Pilz, K. and Mulder, E. G. (1962). Effect of Associated Growth on Yield and N content of Legume and Grass Plants. Plant and Soil, 16, p. 229.
- Walker, T. W. and Adams, A. R. F. (1958). Studies in Soil Organic Matter. I—Influence of phosphorus content of Parent Materials on accumulation of carbon, nitrogen, sulphur and organic phosphorus in grassland soils. Soil Sci., 85, 307.
- Walkley, A. and Black, I. A. (1934). An examination of the Degtjareff Method for determining soil organic matter, and a proposed modification of the Chromic Acid Titration Method. Soil Sci., 37, 29.