Soil




 * made of decomposed material
 * Nutrient poor
 * topsoil is 1 to 2 inches
 * more then 100 million years old
 * rain washes nutrients from soil
 * low in potassium, calcium, magnesium, and phosphorus
 * very poor and infertile
 * years of weathering washed most of the nutrients out of the soil
 * clay lays underneath the soil

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