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Comparison of effects of phosphorus sources on soil acidity, available phosphorus and maize yields at two sites in western Kenya

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dc.contributor.author Peter Asbon Opala, John Robert Okalebo, Caleb Othieno
dc.date.accessioned 2020-08-12T07:12:17Z
dc.date.available 2020-08-12T07:12:17Z
dc.date.issued 2013-03-01
dc.identifier.uri https://repository.maseno.ac.ke/handle/123456789/1995
dc.description.abstract The effects of farmyard manure (FYM), Tithonia diversifolia (tithonia) and urea when applied alone or in combination with Minjingu phosphate rock (MPR), Busumbu phosphate rock (BPR) or triple superphosphate (TSP) on soil acidity, P availability, maize yields and financial benefits were evaluated at Bukura and Kakamega in western Kenya. A reduction in exchangeable acidity and Al was observed in most tithonia- and FYM-treated soils, but not with inorganic P sources when applied in combination with urea. The effectiveness in increasing available soil P followed the order; TSP > MPR > BPR among inorganic P sources, and FYM > tithonia among organic materials at both sites. At Bukura, a site higher in both available P and Al saturation compared with Kakamega, maize did not respond to inorganic P sources applied in combination with urea. Maize, however, responded when inorganic P sources were applied … en_US
dc.publisher Taylor & Francis en_US
dc.subject maize yields, phosphorus availability, phosphorus sources, soil acidity en_US
dc.title Comparison of effects of phosphorus sources on soil acidity, available phosphorus and maize yields at two sites in western Kenya en_US
dc.type Article en_US


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