Comparative effectiveness of different levels of poultry manure with NPK fertilizer on residual soil fertility, nutrient uptake and yield of maize
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...Several workers have reported longer residual effect of organic manures when applied to the soil (Adeniyan and Ojeniyi, 2003’ Adetunji, 1997)....
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...Repeated application of organic residues on soils has long-lasting positive effects on soils, (Adeniyan and Ojeniyi, 2003, 2005)....
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...In support of these findings, recent studies had shown that organic wastes increased soil organic matter, nitrogen, pH, phosphorus, CEC, and reduced soil exchangeable acidity (Adeleye et al. 2010; Adeniyan and Ojeniyi 2003; Ayeni et al. 2008; Mbah 2006)....
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...Recent studies had shown that organic wastes increased soil organic matter, nitrogen, pH, phosphorus, and cation exchange capacity (CEC), and reduced soil exchangeable acidity (Adeniyan and Ojeniyi 2003; Adeleye et al. 2010; Ayeni et al. 2008; Mbah 2006)....
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37 citations