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There is part of soil called humus. This is made from plants and leaves and animal matter that are rotting. Humus helps hold soil together so that plants don’t fall out of it. It also has the food that the plants need to grow. Most potting soil is made of humus. Potting soil is dirt that has been specially prepared and put into bags so people can buy it. They put it in pots, and then put plants in it. If you buy any plants from a store, they are in little containers with potting soil. The potting soil has a lot of minerals to keep the plants healthy. It is usually a very dark brown color. To learn more about potting soil, visit this web site: http://www.factmonster.com/ce6/sci/A0846260.html
Picture by Whitney |
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