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Asian Journal of Agricultural Research

Year: 2007 | Volume: 1 | Issue: 1 | Page No.: 31-34
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Authors

O.A. Ajayi

M.A. Awodun

S.O. Ojeniyi

Keywords

Research Article

Effect of Cocoa Husk Ash on Growth and Stem Nutrient Uptake of Kola Seedlings

O.A. Ajayi, M.A. Awodun and S.O. Ojeniyi
Screen house experiments were conducted at Ibadan and Akure Southwest Nigeria to study effect of applications of Cocoa Pod Husk Ash (CPHA) on nutrient uptake by kola (Cola nitida) seedlings. Six levels of CPHA namely 0, 2, 4, 6, 8 and 10 t ha-1 and NPKF fertilizer (NPKF) applied to soil at 200 kg ha-1 were compared as to their effect on growth parameters and nutrient uptake by kola seedlings. CPHA at 2, 4, 6, 8 and 10 t ha-1 and NPKF increased stem girth, number of branches and leaf area. The NPKF gave highest leaf area. The 6 t ha-1 CPHA gave highest values of stem girth and number of branches among CPHA treatments. Application of CPHA increased stem N concentration and uptake of P, K, Mg and Ca. At Ibadan NPKF gave highest stem N and P content, but at Akure applications of CPHA gave higher stem N, P, Mg and Ca status than NPKF.
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