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A soil has pH 8.8. Which idea is correct to balance it for crops?

Answer and explanation

Correct answer: Carefully add organic matter giving a mild acidic effect

A pH of 8.8 indicates that the soil is distinctly basic. To move its pH toward a range more suitable for many crops, a suitable mildly acidic amendment or organic matter may be applied carefully, preferably after soil testing. Slaked lime and sodium hydroxide are alkaline, so they would increase basicity rather than correct it. Soap solution is also unsuitable and may harm soil structure. Therefore option A is the best choice.

Related tags

Soil PhBasesOrganic MatterAcidsAnd SaltsAcids Bases And SaltsChemical Substances – Nature And BehaviourChemical Substances Nature And BehaviourScience

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