He wrote that he had previously identified "three problems" regarding his country's dependence on foreign sources of fertilizer: environmental legislation, [[Indigenism]] and rights of exploration in the Rio Madeira basin.<ref>{{cite web|url=https://www.dw.com/en/brazil-bolsonaro-uses-ukraine-war-to-support-extraction-on-indigenous-land/a-60990812|title=Brazil: Bolsonaro seeks to increase extraction in Amazon|publisher=Deutsche Welle|date=March 2, 2022}}</ref> | He wrote that he had previously identified "three problems" regarding his country's dependence on foreign sources of fertilizer: environmental legislation, [[Indigenism]] and rights of exploration in the Rio Madeira basin.<ref>{{cite web|url=https://www.dw.com/en/brazil-bolsonaro-uses-ukraine-war-to-support-extraction-on-indigenous-land/a-60990812|title=Brazil: Bolsonaro seeks to increase extraction in Amazon|publisher=Deutsche Welle|date=March 2, 2022}}</ref> |