Key Laboratory of Mollisols Agroecology;
Northeast Institute of Geography and Agroecology;
Chinese Academy of Sciences;
Harbin 150081(China);
Institute of Soil and Fertilizer and Environment Resources;
Heilongjiang Academy of Agricultural Sciences;
Harbin 150086(China);
Institute of Agricultural Resource and Environment;
Jilin Academy of Agricultural Sciences;
Changchun 130033(China);
Heihe Branch of Heilongjiang Academy of Agricultural Sciences;
Heihe 164300(China);
Institute of Plant Nutrition and Resources;
Beijing Academy of Agricultureand Forestry Sciences;
Beijing 100097(China);
denitrification; denitrifier; diversity; denitrifying; gene; geographical; separation; Illumina; MiSeq; sequencing; manure; Mollisols; nirS; gene; quantitative; polymerase; chain; reaction;