Onion (Allium ascalonicum) is a horticultural commodity that has many benefits and high economic value and has an attractive market prospect. So far, onion cultivation is cultivated on a seasonal basis, which is generally done during the dry season (April-October), resulting in production and the price fluctuates throughout the year.
Onion is one of agriculture commodities that plays an important role in Indonesia, BPS data mention no less than 88,000 ha of land planted onion per year. Onion planting spread in Java, Sumatra, and Sulawesi. In Java, Central Java's largest Cultivation is approximately 27,000 ha, East Java 25,000 ha, West Java 12,000 ha. While in Sulawesi there are many in South Sulawesi 2,300 ha, Central Sulawesi 700 ha, and North Sulawesi 300 ha. in Sumatera grown in North Sumatra 2,600 ha, West Sumatra 1,700 ha, and Aceh 1,000 ha.
