div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Azotobacter Clostridium Aerobacter Methanobacterium are free living bacteria which fix atmospheric nitrogen The leaves of Azolla an aquatic pteridophyte have large number src=https:reader030vdocumentsusreader030viewer20220409195e954edccecd6e3c4d43440chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Azotobacter Clostridium Aerobacter Methanobacterium are free living bacteria which fix atmospheric nitrogen The leaves of Azolla an aquatic pteridophyte have large number src=https:reader030vdocumentsusreader030viewer20220409195e954edccecd6e3c4d43440chtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Azotobacter Clostridium Aerobacter Methanobacterium are free living bacteria which fix atmospheric nitrogen The leaves of Azolla an aquatic pteridophyte have large number src=https:reader030vdocumentsusreader030viewer20220409195e954edccecd6e3c4d43440chtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Azotobacter Clostridium Aerobacter Methanobacterium are free living bacteria which fix atmospheric nitrogen The leaves of Azolla an aquatic pteridophyte have large number src=https:reader030vdocumentsusreader030viewer20220409195e954edccecd6e3c4d43440chtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: Azotobacter Clostridium Aerobacter Methanobacterium are free living bacteria which fix atmospheric nitrogen The leaves of Azolla an aquatic pteridophyte have large number src=https:reader030vdocumentsusreader030viewer20220409195e954edccecd6e3c4d43440chtml5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdiv