John Peters, Washington State University (IMAGE) Washington State University Caption Scientists have transferred a collection of genes into plant-colonizing bacteria that let them draw nitrogen from the air and turn it into ammonia, a natural fertilizer. The work could help farmers around the world use less man-made fertilizers to grow important food crops like wheat, corn, and soybeans. Credit WSU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.