Legumes (family Fabales) develop root nodules that harbour Rhizobium bacteria (rhizobia). Endosymbiotic bacteria (bacteroids) convert nitrogen to ammonia (biological nitrogen fixation). Legume crops restore fertility to agricultural soils by capturing nitrogen from the atmosphere.
Mon Apr 24 4:00am. Meet the Press msnbc. This Sunday-morning public-affairs institution is network TV's oldest program, but it's certainly no dinosaur as it continues to be a prime forum for newsmakers (domestic and foreign) wanting to make announcements or test political waters.
Iowa State Fair Soapbox schedule announced. Iowa State Fair Soapbox schedule announcedThe Des Moines Register's Political Soapbox will return to the Iowa State Fair Aug. 11 through 21, with state and national political figures scheduled to appear. Mile by mile: Relive every moment of RAGBRAI 2016The best photos, videos and stories from this year's RAGBRAI ride.