Advances in agronomy edited by Donald L. Sparks - Amsterdam ; San Diego Elsevier, Elsevier / Academic Press 2009 - ix, 272 p. : ill.. : ill. ; 24 cm Includes index ISBN: 9780123748201 Subjects--Topical Terms: Agronomy.Crops.Soil management. Dewey Class. No.: 630.72 SPA