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Circular economy seen as lifeline for Mekong Delta’s agriculture

With climate change, rising sea level posing significant threats, experts are advocating for a shift toward a circular economic model in the Mekong Delta, Vietnam’s agricultural powerhouse. The Mekong Delta’s large-scale production offers a unique opportunity to minimise input resources, recycle waste and wastewater, and find new uses for by-products, said its experts. According to the Ministry of Agriculture and Rural Development’s Department of Crop Production, up to 70% of rice straw is currently burned or buried in fields, leading to air and soil pollution and release of harmful greenhouse gases. The circular economy model offers a solution: collecting straw for mushroom cultivation, cattle feed, organic fertiliser production, bioplastics, and even urban agriculture. Livestock farming also presents a challenge. The Mekong Delta generates a hefty 2.78 million tonnes of animal waste annually, primarily from pig, poultry and cattle. While some of this waste is used for biogas generation, composting or direc
tly used as fertiliser, significant opportunities remain for more sustainable practices.

Source: Vietnam News Agency