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.
MSNBC Live provides the latest breaking news stories as well as details on the biggest stories of the day, the latest political developments and stories of equality and human rights.