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. 2017 Jan 17;7:40635. doi: 10.1038/srep40635

Figure 5.

Figure 5

Variations in the communities of Methanomicrobiales (a), Methanosarcinales (b), Methanocellales (c) and Methanobacteriales (d) detected in the paddy soil during the rice cultivation period. Methanogenic archaeal 16S rRNA gene sequencing reads were classified at the genus level using the RDP Classifier (http://rdp.cme.msu.edu/) against the silva (SSU115) 16S rRNA database; only the genera known to be methanogens are shown. NPK, rice cropping without dual cropping of Azolla under recommended fertilization; NPK + Azolla, rice cropping with dual cropping of Azolla under recommended fertilization.