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The components of soil
The mineral skeleton of the soil
Soil is important for plant growth in both natural and agricultural systems. It provides
anchorage for roots and a medium that contains water and nutrients. The fertility of the
soil is the combination of properties and processes that permit abundant…

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Organisms Functions

Plants Roots hold soil together. Dead vegetation provides nutrients and humus.

Detritivores e.g. worms, Break up dead organic matter, releasing nutrients and increasing the surface
millipedes, woodlicem dung area to enable decomposers to complete decomposition. The passages they
beetles open in the soil aids drainage.

Decomposers: bacteria Digest…


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