how do humans return nitrogen to the soil
Confidence votes 24.6K. A number of things humans can do return nitrogen to the soil. but I'm betting the most common one is mowing their lawns. The decomposing grass clippings will put some nitrogen back into the soil. A number of things humans can do return nitrogen to the soil. but I'm betting the most common one is mowing their lawns. The decomposing grass clippings will put some nitrogen back into the soil.