Browsing Department of Chemistry by Author "DM Kamau, PO Owuor, JK Wanyoko"
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Long term effects of nitrogenous fertilizers on tea yields, nutrients uptake and some soil chemical properties
DM Kamau, PO Owuor, JK Wanyoko (Soil Science Society of East Africa, 2005)A field experiment was set up to determine long tenn responses of different rates of nitrogen fertilizers namely used in tea, N~KS 25:5:5:5 and NPK 20: 10: 10, on tea 'Ields, nutrient uptake and soil chemical properties. ... -
Split application of nitrogen fertilizer rates in two tea cultivars grown in the Eastern and Western highlands of Kenya: I. Confirmatory results on yield effects.
DM Kamau, PO Owuor, JK Wanyoko (Tea Research Foundation of Kenya, 2000)Two experiments were conducted in Kericho and Kangaita, Kenya during 19991-98 to investigate the effects of nitrogen fertilizer rates (50, 100, 200, 400 and 800 kg/ha) and frequencies of application (1, 2 and 4 split ...