Physical Description:32 pages : color illustrations ; 29 cm.print
Publisher:St. Catharines, Ont. ; New York : Crabtree Pub. Co., c2010.
General Note: Includes index.
Formatted Contents Note: What is soil? -- All about humus -- Nutrients in soil -- Nutrient cycles -- Water for life -- Fresh air for life -- Weathering rock -- Break it down -- Carried away -- Dumped on the land -- Soil and climate -- Soil takes it's time -- Soil conservation.