Date: 2011-03-22 12:13:23Nitrogen metabolism Bacteria Bacteriology Rhizobacteria Rhizosphere Diazotroph Nutrient agar Biofertilizer Agar Biology Microbiology Soil biology | | 2. Non-Symbiotic Nitrogen Fixers 2.1. IntroductionAzospirillum Eighty percent (80 %) of the atmosphere is nitrogen gas (N2). Unfortunately N2 is unusable by most living organisms. Plants, animals, and microorganiAdd to Reading ListSource URL: www.fnca.mext.go.jpDownload Document from Source Website File Size: 559,13 KBShare Document on Facebook
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