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Author

Gail L. Schumann

5 books found

Cover of Hungry planet

Hungry planet

Gail L. Schumann · First published 2012

Cover of Essential plant pathology

Essential plant pathology

Gail L. Schumann · First published 2006 · Latest edition 2010

Cover of IPM handbook for golf courses

IPM handbook for golf courses

Gail L. Schumann · First published 1998

Cover of Plant Diseases Their Biology And Social Impact

Plant Diseases Their Biology And Social Impact

Gail L. Schumann · First published 1993

Cover of Plant diseases

Plant diseases

Gail L. Schumann · First published 1991