J. S. Mcculloch, H. C. Pereira, G. Kerfoot, and N. A. , Measurement of shade tree effects in tea gardens, I, vol.5, issue.1, p.9, 1964.

W. K. Ng-'etich, Response of tea to environment, Tea, vol.18, issue.2, pp.149-155, 1997.

W. Shan, Statistical techniques in Geographical analysis (Incomplete citation), 1985.

S. , S. De, V. , J. Hulley, J. C. et al., Coffee, tea, and cocoa. Market prospects and development lending, 1977.

T. Research, . Of, and . Kenya, Tea growers handbook. Eleza services Ltd, 1986.

. Grazing, Feeding-1; Milking-2; Spraying-3

K. Problems, What problems do you experience in smallholder tea production'? How do you solve such problems'? Have you experienced any problems of food shortages in the family?, If so when How do you solve such problems of insufficient food?