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How can adding organic matter help improve basic soil?

Answer and explanation

Correct answer: By forming acidic substances during decay

Basic soil has an excess of alkaline character and therefore a pH higher than the desired range for some plants. During decomposition, organic matter can produce humic and other weak acidic substances. These substances can help lower excessive alkalinity and improve the soil’s chemical condition. Hence option A is the best answer. The remaining choices either increase basicity or describe unrelated changes involving metal formation or water removal.

Related tags

ScienceClass10Basic-SoilOrganic-MatterSoil-ImprovementAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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