| Description |
32 pages : color illustrations ; 29 cm. |
| Series |
Everybody digs soil. |
|
Everybody digs soil.
|
| Note |
Includes index. |
| Bibliography |
Includes bibliographical references and index. |
| Contents |
What is soil? -- All about humus -- Nutrients in soil -- Nutrient cycles -- Water for life -- Fresh air -- Weathering rock -- Break it down -- Carried away -- Dumped on the land -- Soil and climate -- Soil takes it's time -- Soil conservation. |
| Summary |
How Is Soil Made introduces the organic and inorganic components of soil; discusses plants need for nutrients, nutrient cycles, and decomposition; illustrates the weathering, erosion, deposition processes; and, concludes with why humans need to safeguard soil. |
| Study Program |
Accelerated Reader AR MG 5.4 1.0 136047. |
| Subject |
Soils -- Juvenile literature.
|
|
Soil ecology -- Juvenile literature.
|
|
Soils.
|
|
Soil ecology.
|
| ISBN |
9780778754015 reinforced library binding alkaline paper |
|
0778754014 reinforced library binding alkaline paper |
|
9780778754145 paperback alkaline paper |
|
0778754146 paperback alkaline paper |
|
