10 abril 2015
An international team of researchers tracked nitrogen as soil bacteria pulled it from the air and released it as plant-friendly ammonium. This process—called biological nitrogen fixation—substantially promoted growth in certain grass crops, offering new strategies for eco-friendly farming.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/VnC4Q5dfcIo/150410165222.htm
