(4) Importance of soils for plant growth.
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Soils support roots and keep them upright for growth. Soils provide plants with essential minerals and nutrients. ... Soils protect plants from erosion and any other destructive physical, biological and chemical activity. Soils hold water (moisture) and maintain adequate aeration.
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Soil provides plants with foothold for their roots and holds the necessary nutrients for plants to grow; it filters the rainwater and regulates the discharge of excess rainwater, preventing flooding; it is capable of storing large amounts of organic carbon; it buffers against pollutants, thus protecting groundwater ...
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