References
- Robinson, J. B. D. (1967). Yield and response to fungicide and fertilizer applications of peasant-grown Arabica coffee on Mt. Kilimanjaro, Tanzania. I—Review and description of experimental sites and methods. E. Afr. agric. for. J. 32, 426–432.
- Holliday, R. (1960). Plant population and crop yield. Nature 186, 22–24.
- Smith, R. W. (1960). The spacing of West African Amelonado Cocoa in Ghana. J. Hort. Sci. 35, 176–184.
- Robinson, J. B. D. (1962). The influence of interplanted bananas on Arabica coffee yields. Res. Rept. Coffee Res. Station, Lyamungu, Tanganyika, 1961, 31–38.
- Alvim, P. de. T. (1959). Advances in Coffee Production Technology, Ed. B. Sachs, Coffee and Tea Industries, Spice Mill Pub. Co., New York, Chapter 1, Physiology, 9–14.