Legume

... Cover crops have been found to prevent nitrogen leaching into waterways. They have also been found to reduce soil erosion -- an implication of legume cover crops to be integrated with synthetic fertilizer in the future. Non-point pollution is one of the major concerns of many scientists today. ...

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It would help a lot if you all would give a location. It is also kind of hard without a flower. It is obviously a legume (Fabaceae). Probably Mimosa subfamily. If you are in Australia, I would guess maybe an Acacia??

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... is the scrubs. one more is acacia deacbata is tree. thnx The two plants you list are ausi plants.Your second example should be Acacia dealbata, a legume type family. I never been to Australia, but hope to some day. You might look here. http://www.australiaplants.com/au_plants_a-b-c.htm

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... (Greek: endo = inner, sym = together and biosis = living). Examples are nitrogen-fixing bacteria (called rhizobia) which live in root nodules on legume roots, single-celled algae inside reef-building corals, and bacterial endosymbionts inside several insect species. Many other examples of endosymbiosis ...

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... (5MT)-resistant tobacco cell line--driven by the CaMV 35S promoter or 606 bp of the native ASA2 promoter, was introduced into the forage legume plant Astragalus sinicus or soybean ( Glycine max), using Agrobacterium rhizogenes strains DC-AR2 or K599, respectively. Hairy roots of A. sinicus ...

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