Gravel, Not a soil - small stones called pebbles, Gray color, Rocky Texture, Very low capacity to retain water, Water drains through almost completely, Sand, Tan/Light brown color, Gritty Texture, Largest particles size of the 3 types of soil, Low capacity to retain water, Water drains through this soil quickly, Loam, Black/Brown color, Texture is gritty, sticky, and smooth, Mixed particle size - a combination of small, medium, and large sized particles, Allows drainage, but still retains enough moisture to keep the nutrients in the soil. , Clay, Red/Orange color, Very high capacity to retain water., Water does not drain easily though clay, Sticky texture when wet, Retains too much water for most plants to grow well..

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