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Effect of agroforestry woody species on earthwarm activities and physicochemical properties of warm casts por Kang, B., Akinnifesi, F.K., Pleysier, J.L.

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A new method for the simultaneous measurement of Ph-dependent cation exchange capacity and ph buffering capacity por Oorts, K., Vanlauwe, Bernard, Pleysier, J.L., Merckx, Roel

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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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A clay suspension stability end point titration method for measuring cation exchange capacity of soils por Pleysier, J.L., Janssens, J., Cremers, A.

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Extraction of potassium from some kaolinitic soils of the tropics por Pleysier, J.L., Janssens, J., Cremers, A.

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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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Soil sampling and sample preparation por Pleysier, J.L.

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Amelioration of a degraded Oxic Paleustalf by leguminous and natural fallows por Kang, B.T., Salako, F.K., Akobundu, I.O., Pleysier, J.L., Chianu, Jonas N.

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Echantillonnage du sol et preparation des echantillons: guide de recherche de Iiita, No. 2 por Pleysier, J.L.

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