chemical formula of soil
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Chemical Composition of the Soil. Permits students to perform chemical determinations on locally derived soils to determine percentage of water, organic content, pH, and the presence of calcium, carbonates, magnesium, phosphates, sulfates, potassium, nitrate, ammonium and iron.
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The chemical composition of the soil, the topography, and the presence of living organisms determines the quality of soil. In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air.
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