Organic farming
Subtitle: an overview : soil fertility, pest control, economic strategies
By: James M. Thompson.
Series: Problem series - Huxley College of Environmental Studies, Western Washington State College
Publisher: Huxley College of Environmental Studies, Western Washington State College
Published: 1979
Place of publication: Bellingham, Washington
Language: eng
Number of pages: 35
Subjects: Organic farming.
Notes: Includes bibliographical references.