rhizobia
31nitrogen fixation — noun Date: 1895 the metabolic assimilation of atmospheric nitrogen into ammonia by soil microorganisms and especially rhizobia …
32rhizobium — noun (plural rhizobia) Etymology: New Latin, from rhiz + Greek bios life more at quick Date: 1921 any of a genus (Rhizobium) of small heterotrophic soil bacteria capable of forming symbiotic nodules on the roots of leguminous plants and of there… …
33Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
34Bacterial conjugation — is the transfer of genetic material between bacterial cells by direct cell to cell contact or by a bridge like connection between two cells.[1] Discovered in 1946 by Joshua Lederberg and Edward Tatum,[2] conjugation is a mechanism of horizontal… …
35Endosymbiont — An endosymbiont is any organism that lives within the body or cells of another organism, i.e. forming an endosymbiosis (Greek: ἔνδον endon within , σύν syn together and βίωσις biosis living ). Examples are nitrogen fixing bacteria (called… …
36Maize — This article is about the cereal grain, primarily known as corn in the United States. For other uses, see Maize (disambiguation). Corn redirects here. For other uses, see Corn (disambiguation). Maize Illustration depicting both male and female… …
37Symbiosis — Symbiology redirects here. For use of things that represent other things by association, resemblance, or convention, see Symbology. This article is about the biological phenomenon. For other uses, see Symbiosis (disambiguation). For the Marvel… …
38Mycorrhiza — This mycorrhiza includes a fungus in the genus Amanita A mycorrhiza (Gk. μυκός, mykós, fungus and ριζα, riza, roots ,[1] pl mycorrhizae, mycorrhizas) is a symbiotic (generally mutualistic …
39Nitrogen cycle — Schematic representation of the flow of nitrogen through the environment. The importance of bacteria in the cycle is immediately recognized as being a key element in the cycle, providing different forms of nitrogen compounds assimilable by higher …
40Manure — This article is about organic material used as soil fertilizer. For animal dung used for other purposes, see feces. Animal manure is often a mixture of animal feces and bedding straw, as in this example from a stable. A horse grazes in his… …
