Here are the details of a study into sources of nitrogen available to plants. For centuries, the thinking has been that all the nitrogen available for plant growth worldwide comes from the atmosphere. But a new study by National Science Foundation (NSF)-funded researchers at the University of California (UC), Davis, shows that more than a quarter of that nitrogen is derived from the weathering of Earth’s bedrock.
via climate science
April 10, 2018 at 01:30AM
Iowa Climate Science Education 