Up and down the oneway streets of houses huddled deep and close together, sycamores, live oaks brace up to the concrete, break through, their dark roots surfacing, disrupting the order of a New Orleans neighborhood. (firstthings.com)
Yet in fact, this team's experiments showed the grass Setaria viridis received 100 percent of its nitrogen needs from the bacteria Azospirillum brasilense when associated with plant root surfaces. (sciencedaily.com)