270 - EXCHANGEABLE ACIDITY

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spectrophotometry; exchangeable acidity by extraction with a 1 M solution ... Exchangeable acidity was only determined in the samples with pH in water 5 5.4 .... Effects of potassium, magnesium and sodium fertilizers and lime on the yield and ... Gama, M.V., ... Instituto Nacional de Meteorologia e ... Rivista di Agronomia, 14.

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