Question

what is the colour of topsoil​

Answer 1

Answer:

➡The topsoil is usually darker than lower layers (or horizons) because this is where organic matter accumulates. Soil colour is usually due to 3 main pigments: black—from organic matter. red—from iron and aluminium oxides.....

➡Soil color is produced by the minerals present and by the organic matter content. Yellow or red soil indicates the presence of oxidized ferric iron oxides. Dark brown or black color in soil indicates that the soil has a high organic matter content. Wet soil will appear darker than dry soil......

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Answer 2

Explanation:

The topsoil is usually darker than lower layers because this is where organic matter accumulates. Soil colour is usually due to 3 main pigments: black—from organic matter. red—from iron and aluminium oxides.