Roots, soil water and crop yield: tree crop interactions in a semi-arid agroforestry system in Kenya von Odhiambo, H.O., Ong, C.K., Deans, J.D., Wilson, J., Khan, A.A.H., Sprent, J.I.

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Response of some black tea quality parameters to nitrogen fertiliser rates and plucking frequencies von Owuor, P.O, Odhiambo, H.O

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Prevalence and risk factors of smoking among secondary school students in Nairobi von KWAMANGA, D. H. O, ODHIAMBO, J. A, AMUKOYE, E. I

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Tobacco consumption among primary school teachers in Nairobi von KWAMANGA, D. H. O, ODHIAMBO, J. A, GICHEHA, C

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