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A cocoabased cropping system on basaltic soils (typic tropohumult) in southeastern Nigeria por Eshett, E.T., Ay, P., Omueti, J.A.I., Juo, A.S.R.

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Leasing loss of calcium, magnessium potassium and nitrate derived from soil, and fertilizers as influence by urea applied to undisturbed lysemeters southeast Nigeria por Wong, M.T.F., Kruijs, A.C.M.B. van der, Juo, A.S.R.

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Phosphate sorption of some Nigerian soils and its effect on cation exchange capacity por Juo, A.S.R., Maduakor, H.O.

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The soils of IITA por Moormann, F.R., Lal, R., Juo, A.S.R.

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Effect of liming on the availability of three rock phosphate sources in two West African Ultisols por Juo, A.S.R., Kang, B.T.

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Nitrification and mineralization potentials in a limed Ultisol in the humid tropics por Arora , Y., Mulongoy, K., Juo, A.S.R.

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Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an utisol from the humid tropics por Pleysier, J.L., Arora , Y., Juo, A.S.R.

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A single-extraction method using silver-thiourea for measuring exchangeable cations and effective CEC in soils with variable charges por Pleysier, J.L., Juo, A.S.R.

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Leaching of fertilizer ions in a kaolinitic Ultisol in the high rainfall tropics: Leaching of nitrate in field plots under cropping and bare fallow por Arora, Y., Juo, A.S.R.

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Surface and charge characteristics of selected soils in the tropics por Gallez, A., Juo, A.S.R., Herbillon, A.

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Availability and transformation of rock phosphates in three forest soils from southern Nigeria por Juo, A.S.R., Kang, B.T.

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Liming and lime-phosphorus-zinc interactions in two Nigerian Ultisols: I. Interactions in the soil por Friesen, Dennis K., Juo, A.S.R., Miller, M.H.

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Adsorption and desorption of paraquat in acid tropical soils por Juo, A.S.R., Oginni, O.O.

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Copper chloride as an extractant for estimating the potentially reactive aluminum pool in acid soils por Juo, A.S.R., Kamprath, E.J.

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Ion exchange equilibria involving aluminum in a kaolinitic Ultisol por Pleysier, J.L., Juo, A.S.R., Herbillon, A.J.

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Hydrolysis and availability of pyrophosphate in tropical soils por Juo, A.S.R., Maduakor, H.O.

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Selected methods for soil and plant analysis: IITA manual series, No. 1 por Juo, A.S.R.

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