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集约化生产对农田土壤碳氮含量及δ13C和δ15N同位素丰度的影响
Effects of intensive agricultural production on farmland soil carbon and nitrogen contents and their δ13〖KG-*8〗C and δ15〖KG-*8〗N
 isotope abundances.
应用生态学报 . 2012, (03): 751 -757 .