机译:Soil C : N : P Stoichiometry as Related to Nitrogen Addition in a Meadow Steppe of Northern China
Chinese Acad Sci, Inst Appl Ecol, CAS Key Lab Forest Ecol & Management, Erguna Forest Steppe Ecotone Res Stn, Shenyang 110016, Peoples R China;
Univ Sydney, Ctr Carbon Water & Food, Sch Life & Environm Sci, Camden, NSW 2570, Australia;
Dalian Minzu Univ, Coll Environm & Resources, Dalian 116600, Peoples R China;
biogeochemistry; C; N; P ratio; global change; nitrogen enrichment; soil layer;