Allen, J. C. (1976). A modified sine wave method for calculating degree days. Environmental Entomology 5:388–396.
Cannell, M. G. R. (1985). Dry matter partitioning in tree crops. In Attributes of Trees as Crop Plants, 160–193 (Eds Cannell, M. G. R. and Jackson, J. E.). Huntingdon: ITE/NERC.
Carr, M. K. V. (1970). The role of water in the tea crop. In Physiology of Tree Crops, 287–305 (Eds Luckwill, L. C. and Cutting, C. V.). New York: Academic Press.
Carr, M. K. V. (1971). The internal water status of the tea plant (Camellia sinensis): some results illustrating the use of the pressure chamber technique. Agricultural Meteorology 9:447–460.
Carr, M. K. V. (1974) Irrigating seedling tea in Southern Tanzania: effects on total yields, distribution of yield and water use. journal of Agricultural Science, Cambridge 83:363–378.
Carr, M. K. V. & Stephens, William (1991). Climate, weather and the yield of tea. In Tea: Cultivation to Consumption, 87–135 (Eds Willson, K. C. and Clifford, M. N.). London: Chapman and Hall.
Chapin, F. S. III (1990). Effects of nutrient deficiency on plant growth: evidence for a centralized stress response system. In Importance of Root to Shoot Communications in the Response to Environmental Stress. Monograph 21, 135–148 (Eds Davies, W. J. and Jeffcoat, B.). Bristol: British Society for Plant Growth Regulation.
Hanks, R. J., Keller, J., Ramussen, V. P. & Wilson, G. D. (1976). Line source sprinkler for continuously variable irrigation-crop production studies. Soil Science America Journal 44:426–429.
Hsiao, T. C. (1973). Plant responses to water stress. Annual Review of Plant Physiology 24:519–570.
Grice, W.J. (1982). The formulation of workable plucking policies. Tea Research Foundation of Central Africa Quarterly Newsletter 68:7–17.
Morgan, D. D. V. & Carr, M. K. V. (1988) Analysing line source irrigation experiments. Experimental Agriculture 24:169–176.
Othieno, C. O., Stephens, William & Carr, M. K. V. (1992). Yield variability at the Tea Research Foundation of Kenya. Agricultural and Forest Meteorology 61: 237–252.
Smith, R. I., Harvey, F. J. & Cannell, M. G. R. (1990). Pattern of tea shoot growth. Experimental Agriculture 26:197–208.
Squire, G. R. (1979). Weather, physiology and seasonality of tea (Camellia sinensis) yields in Malawi. Experimental Agriculture 15:321–330.
Squire, G. R. & Callander, B. A. (1981). Tea plantations. In Water Deficits and Plant Growth, 6:471–510 (Ed. Kozlowski, T. T.). New York: Academic Press.
Squire, G. R., Obaga, S. M. O. & Othieno, C. O. (1993). Altitude, temperature and shoot production of tea in the Kenyan highlands. Experimental Agriculture 29:107–120.
Stephens, William & Carr, M. K. V. (1989). A water stress index for tea (Camellia sinensis). Experimental Agriculture 25:545–558.
Stephens, William & Carr, M. K. V. (1990). Seasonal and clonal differences in shoot extension rates and numbers in tea (Camellia sinensis). Experimental Agriculture 26:83–98.
Stephens, William & Can, M. K. V. (1991 a). Responses of tea (Camellia sinensis) to irrigation and fertilizer. I. Yield. Experimental Agriculture 27:177–191.
Stephens, William & Carr, M. K. V. (1991 b). Responses of tea (Camellia sinensis) to irrigation and fertilizer. II. Water use. Experimental Agriculture 27:193–210.
Stephens, William & Carr, M. K. V. (1993). Responses of tea (Camellia sinensis) to irrigation and fertilizer. IV. Shoot population density, size and mass. Experimental Agriculture 29 (in press).
Tanton, T. W. (1981). Growth and yield of the tea bush. Experimental Agriculture 17:323–331.
Tanton, T. W. (1982 a). Environmental factors affecting the yield of tea (Camellia sinensis). I. Effects of air temperature. Experimental Agriculture 18:47–52.
Tanton, T. W. (1982 b). Environmental factors affecting the yield of tea (Camellia sinensis). II. Effects of soil temperature, day length and dry air. Experimental Agriculture 18:53–63.
Turner, N. C. (1986). Crop water deficits: a decade of progress. Advances in Agronomy 39:1–51.