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Study finds that deforestation in Brazil’s Cerrado region reduces soybean production potential

According to a study published on Monday, clearing land for agricultural purposes in Brazil's Cerrado tropical Savanna region leads to drier conditions which ultimately harm soybean yields. The study was first shared with and argues that falling yields drive farmers to clear more land. This further accelerates degradation of Brazil's largest biome, the Amazon, and hinders conservation efforts. Zero Carbon Analytics released a press release detailing the findings of their study. "Our new analyses found that farmers clearing native vegetation to plant soy have climate impacts far beyond the cleared areas," the group said. Brazil's Cerrado Region covers more than 2,000,000 square kilometers (772204 square miles) or 23% of its territory. If land in the region had not been cleared since 2008 for soy, the region would have produced $9.4 billion more soy. This is nearly 8% more than its total soy production over the 10 year period covered by the study.

Zero Carbon Analytics analyzed soy production and yields from 840 Cerrado municipalities between 2013 and 2023. They also looked at rainfall and aridity. According to Brazilian crop agency Conab data going back to 2008/2009, Brazil's soy yields have a tendency to increase. It grew by 38% in 2024-2025, thanks to new technologies such as GMO seeds and improved farm inputs. Joanne Bentley McKune, author of the peer-reviewed study, said, "Our analysis doesn't deny that production has increased." The study shows that production is increasing despite climate losses. Bentley-McKune stated that the difference between what soy could have produced and what actually was produced, estimated at 34 million tons due to deforestation of the Cerrado between 2013-2023, shows "the gap" between what we achieved and what we could have achieved if these technological advances had not been made. Brazil, which is the world's largest soy exporter and producer, and also a major soy supplier to China will harvest around 178 million tonnes in the current crop season. (Reporting and editing by Paul Simao.)

(source: Reuters)