Winter-spring crop of earthworms in An Thanh commune (Tu Ky) costs from 250,000-280,000 VND/kg.

Many traders come to buy from people's fields at prices ranging from 200,000 to 220,000 VND. Each sao of organic rice combined with the exploitation of rươi yields 5-10 kg of rươi, 3-5 kg ​​higher than last year's crop.

According to the experience of local people, the harvest of Chiem worms will be abundant at the end of the 5th lunar month. In addition to selling fresh worms to traders, households also process and sell the worms in fish sauce at a price of 450,000-500,000 VND/liter.

The winter-spring rươi crop will end in the 8th lunar month to switch to the main rươi harvest from the 9th lunar month every year with higher productivity and output. The whole An Thanh commune currently has nearly 600 households growing organic rice combined with rươi and crab harvest.