The manual contains chapters on the control of weeds, diseases, nematodes, insects and mites and on storage of onion.
Publication Details
- Published: 1986
 - Publisher: Tropical Development and Research Institute
 - ISBN-10: 0851351433
 - ISBN-13: 978-0851351438
 - Dewey Decimal: 635.259
 - ECHO Library: 635.259 TDR