Soil Requirements for Healthy Street Trees by @ThinkGreenBlue

Trees in urban environments need uncompacted, well aerated, and moist soil in order to thrive. Such conditions allow tree roots to obtain the essential components they require for healthy growth - nutrients, oxygen, and water. These soil conditions however, are often unavailable in city environments. To understand the importance that lies in soil for healthy tree growth, let's discuss a little more about what soil really is. Soil as we know it is t he top layer of the earth's crust. It is the medium in which trees spread their roots and grow. Soil is comprised of finely ground rock particles and materials such as sand, silt, clay, and gravel; with voids between particles containing water and air. Sandy soils have very large particles that allow roots, air, and water to move freely. Whereas clay particles are small and packed together tightly, offering little room for nutri...

Full article: http://www.sustainablecitiescollective.com/node/1093552

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  1. 07 Aug '15, 8pm

    For your interest, the original unedited article can be found here. http://blog.greenblue.com/soil-requirements-for-healthy-urban-trees

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