State Key Laboratory of Soil and Sustainable Agriculture;
Changshu National Agro-Ecosystem Observation and Research Station;
Institute of Soil Science;
Chinese Academy of Sciences;
Nanjing 210008;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
Organic Food Development Center;
Nanjing Institute of Environmental Sciences;
Ministry of Environmental Protection;
Nanjing 210042;
China;
College of Resources and Environmental Sciences;
Nanjing Agricultural University;
Nanjing 210095;
China;
13C nuclear magnetic resonance; dry farming; enzyme activity; microbial community composition; phospholipid fatty acid; phosphorus fractionation; wheat season;