Soils and soil fertility /
Troeh, Frederick R.
Soils and soil fertility / Frederick R. Troeh, Louis M. Thompson. - 6th ed. - Ames, Iowa : Blackwell Pub., c2005. - viii, 489 p. : ill.; 26 cm.
Includes bibliographical references and index.
081380955X (alk. paper)
2004011384
Soil science.
Soil fertility.
S591 / .T72 2005
631.4 / TRS
Soils and soil fertility / Frederick R. Troeh, Louis M. Thompson. - 6th ed. - Ames, Iowa : Blackwell Pub., c2005. - viii, 489 p. : ill.; 26 cm.
Includes bibliographical references and index.
081380955X (alk. paper)
2004011384
Soil science.
Soil fertility.
S591 / .T72 2005
631.4 / TRS