1. 1997-01-01 The Nitrogen Fixing Tree Association has played a major rol in generating interest in and publishing information about nitrogen fixing trees. NFTA has sponsored research/ development agendas, workshops and conversations on the role of nitrogen fixing trees in society.
  2. Acacia angustissima grows as a thornless shrub or small tree to an average of 2-7 meters tall with a single short trunk. It is a legume, capable of fixing nitrogen in nodules on its roots if the appropriate strain of Rhizobium bacteria is present in the soil. It is often found in tropical...