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Soil Formation

Descripción

Mind map briefly describing the basics of the formation of soil
helicon
Mapa Mental por helicon, actualizado hace más de 1 año
helicon
Creado por helicon hace más de 9 años
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Resumen del Recurso

Soil Formation
  1. 1 Rock mechanically weathered
    1. Forms small soil grains
    2. 2 Chemical Weathering
      1. Releases important nutrients from the rock
      2. 3 Seeds blown onto soil and enrich it upon death
        1. Lichens and Mosses can grow on young soils
        2. 4 Micro-organisms decompose plant remains
          1. This forms humus and further enriches the soil
            1. Humus helps the soil grains to bind together
          2. 5 Repeat until maxiumum fertility is reached
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