Ferentinos, LisaSmith, JodyValenzuela, Hector2009-09-252009-09-252002-08Ferentinos L, Smith J, Valenzuela H. 2002. Azolla. University of Hawaii. 3 p. (Sustainable Agriculture; SA-GM-2).http://hdl.handle.net/10125/127323 pagesen-USAzolla pinnataAzolla filiculoidesgreen manuresflooded conditionstaroHawaiiArticle