Onion is very important crop grown and consumed all over the country. Onion crop has always been in limelight due to several reasons. Govt. of India always makes effort to avoid the crisis in the country. Prises of onion fluctuate disproportionally putting stress on consumers and growers both.

Availability of quality seeds, adaption of improved production technologies, efficient and effective post-harvest management is some of the issues which determines the satisfaction of consumers and growers. The government has been attaching high priority for development of onion and has launched many programmes. This book contains technical information of interest to researcher, scientists, technicians and educators in horticulture, agriculture as well as practical, field oriented information of use to farmers, field personnel and the agricultural industry. 

1. Introduction
2. Varieties of Onion (Short Day & Long Day) and their Cultivation Technology
3. Importance of Soil Sampling and Testing in Onion Production
4. Nursery Management in Onion
5. Irrigation, Nutrient and Weed Management in Onion Bulb Production
6. Disease Management of Onion
7. Insect Pests Management of Onion
8. Pre- and Post-Harvest Management of Onion to Improve the Keeping Quality
9. Seed Production Technology in Onion
10. Organic Production System of Onion
11. Storage Structure of Onion
12. References