Date: 2011-03-22 12:14:07Soybean Legume Fertilizer Plant nutrition Tropical agriculture Rhizobia Root nodule Manure Agriculture Biology Nitrogen metabolism Nitrogen fixation | | II. General Methods to Evaluate Microbial Activity 1. Isotopic Methods 1.1. N2-fixing ActivityIntroduction Leguminous plants comprise a large group, of about 18,000 species including annual grasses and perennial tAdd to Reading ListSource URL: www.fnca.mext.go.jpDownload Document from Source Website File Size: 1,35 MBShare Document on Facebook
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