“Oh, we don’t have to worry about that area. They have red pivots.”
Click here for original story, Rust-coated irrigation pipes hint at lack of nitrate in groundwater
Source: Phys.org
“Oh, we don’t have to worry about that area. They have red pivots.”
Click here for original story, Rust-coated irrigation pipes hint at lack of nitrate in groundwater
Source: Phys.org