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    Influence of Lime and Phosphorus Application Rates on Growth of Maize in an Acid Soil

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    Date
    2017-01
    Author
    Opala, Peter Asbon
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    Abstract
    The interactive effects of lime and phosphorus on maize growth in an acid soil were investigated in a greenhouse experiment. A completely randomized design with 12 treatments consisting of four lime levels, 0, 2, 10, and 20 t ha−1, in a factorial combinationwith three phosphorus rates, 0, 30, and 100 kg ha−1, was used.Maize was grown in pots for six weeks and its heights and dry matter yield were determined and soils were analyzed for available P and exchangeable acidity. Liming significantly reduced the exchangeable acidity in the soils. The effect of lime on available P was not significant but available P increased with increasing P rates. There was a significant effect of lime, P, and P by lime interactions on plant heights and dry matter.Without lime application, dry matter increased with increasing P rates but, with lime, dry mattes increased from 0 to 30 kg P ha−1 but declined from 30 to 100kgPha−1. The highest dry matter yield (13.8 g pot−1) was obtained with a combined 2 t ha−1 of lime with 30 kg P ha−1 suggesting that lime application at low rates combined with moderate amounts of P would be appropriate in this soil
    URI
    https://doi.org/10.1155/2017
    http://hdl.handle.net/123456789/1945
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    • Agriculture [96]

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