Journal of Food, Agriculture and Environment
Vol 7,
Issue 3&4,2009
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Effects of phosphate fertilizers and maize plant density on productivity of cassava/maize/egusi-melon mixtures on Alfisols of Ekiti State, South-Western Nigeria
Author(s):
Anthony K. Oluleye,
Ezekiel A. Akinrinde *Recieved Date: 2009-07-17, Accepted Date: 2009-10-03
Abstract:Ground phosphate rock, GPR (9% P) and GPR-fortified organic wastes (organo-mineral fertilizer, OMF, 11% P) were evaluated for cassava, maize and egusi-melon production (in mixtures of varied maize population), using single super phosphate, SSP (7.7%P) as standard. P-source (4 replications in RCBD) were applied @ 0, 26 and 52 kg P ha-1 (1st year); reduced to 0 and 26 kg P ha-1 (2nd year) and no addition in the 3rd year to elucidate residual effects. Maize biomass partitioning revealed stovers > grains > roots, cassava had roots > stems > leaves while biomass and P uptake was reduced with increasing maize density. Treated crops consistently performed better than control but highest with GPR application. It is clear that GPR and OMF could be used to advantage by resource-poor farmers for increased productivity of cassava/maize/egusi-melon mixtures on the Alfisols.
Keywords:Ground phosphate rock,
cassava/maize/egusi-melon mixture, biomass production, P uptake partitioning, AlfisolsJournal: Journal of Food, Agriculture and Environment
Year: 2009
Volume: 7
Issue: 3&4
Category: Agriculture
Pages: 224-227
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