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Answer 1

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The color in soil is mainly due to two factors organic content and the chemical nature of iron compounds found in the soil. Iron gives soil a brown, yellow or red color. Size fractions are the mineral component of a soil and together determine soil texture.

Answer 2

Answer:

The color in soil is mainly due to two factors organic content and the chemical nature of iron compounds found in the soil. Iron gives soil a brown, yellow or red color. Size fractions are the mineral component of a soil and together determine soil texture.

Soil texture is an important soil characteristic that influences stormwater infiltration rates. The textural class of a soil is determined by the percentage of sand, silt, and clay. Soils can be classified as one of four major textural classes: (1) sands; (2) silts; (3) loams; and (4) clays.

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