Argentina’s government is coming under pressure to ban the chemical used in the world’s best-selling herbicide, which has helped turn the country into an important world food exporter in the past decade, after new research found that it might be harmful to human health.

A group of environmental lawyers has petitioned the Supreme Court to impose a six-month ban on the sale and use of glyphosate, which is the basis for many herbicides, including the US agribusiness giant Monsanto’s Roundup product.