text: USDA Tests Show Soybean Rust Spreading  WASHINGTON (Reuters) - U.S. Agriculture Department tests  confirmed the spread of soybean rust, a yield-slashing fungus,  in three more fields in Louisiana, a university scientist  familiar with USDA activities told Reuters on Tuesday.
inputs: USDA Tests Show Soybean Rust Spreading  WASHINGTON (Reuters) - U.S. Agriculture Department tests  confirmed the spread of soybean rust, a yield-slashing fungus,  in three more fields in Louisiana, a university scientist  familiar with USDA activities told Reuters on Tuesday.