Montgomery, Heather L.

How is soil made? / Heather L. Montgomery. - St. Catharines, Ont. : Crabtree Pub. Co., c2010. - 32 p. : ill. ; 29 cm. - Everybody digs soil. .

GRL: P

Includes bibliographical references and index.

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 its time -- Soil conservation.

ISBN: 9780778754145 (pbk. : alk. paper)

LCCN: 2009042780

Subjects--Topical Terms:
Soils.
Soil ecology.

LC Class. No.: S591.3 / .M66 2009

Dewey Class. No.: 631.4