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首页> 外文期刊>International Journal of Plant & Soil Science >Magnesium Adsorption in Selected Cocoa Growing Soils Within Southwestern Nigeria
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Magnesium Adsorption in Selected Cocoa Growing Soils Within Southwestern Nigeria

机译：尼日利亚西南部某些可可生长土壤中的镁吸附

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摘要

Magnesium is one of the vital nutrients required by Theobroma cacao L. for optimum growth and yield. Several authors have reported the deficiency of magnesium in Nigerian cocoa plantations and ended up recommending the application of magnesium fertilizer based on agronomic soil test. Application of fertilizer without considering the potential of each soil to retain certain proportion of the applied fertilizer will lead to reduced available Mg in the soil solution. The study was carried out to evaluate the sorption capacity of selected cocoa growing soils in southwestern Nigeria. Soil samples were equilibrated with 20, 40, 60, 80 and 100 mg Mg L-1. Result showed that, Freundlich equation best described the adsorption of magnesium onto the soil surfaces. Adsorption of magnesium was highest in Owena soil. Hence, more magnesium fertilizer will be required by Owena soil compared with Ekiti, Ibadan, Ile-Ife and Bodo soils to produce equal amount of available magnesium ions in soil the solution.
机译：镁是可可豆最佳生长和产量所需的重要营养素之一。几位作者报道了尼日利亚可可种植园中镁的缺乏，最终根据农艺土壤试验建议使用镁肥。在不考虑每种土壤保留一定比例的施肥潜力的情况下施用肥料会导致土壤溶液中的有效Mg减少。这项研究旨在评估尼日利亚西南部某些可可种植土壤的吸附能力。用20、40、60、80和100 mg Mg L -1 平衡土壤样品。结果表明，Freundlich方程最能描述镁在土壤表面的吸附。欧文纳土壤中镁的吸附最高。因此，与Ekiti，Ibadan，Ile-Ife和Bodo土壤相比，Owena土壤需要更多的镁肥，以在溶液中产生等量的可用镁离子。

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