National Azolla Research Center;
Fujian Academy of Agricultural Sciences;
Fuzhou 350013 National Azolla Research Center;
Fujian Academy of Agricultural Sciences;
Fuzhou 350013 National Azolla Research Center;
Fujian Academy of Agricultural Sciences;
Fuzhou 350013 National Azolla Research Center;
Fujian Academy of Agricultural Sciences;
Fuzhou 350013 National Azolla Research Center;
Fujian Academy of Agricultural Sciences;
Fuzhou 350013;
Rice-azolla-; fish; CH4; emission; Potassium; enrichment; HLL; model;