Effect of tail injuries of different severities on the swimming speed of larval Rana zhenhaiensis (Anura:Ranidae) Soil carbon storage  affected by long-term land use regimes and fertilizationin  manural loess soil Effect of Sodium Dichloroisocyanurate on Preservation of Cut Carnation(Dianthus caryphyllus L.) Spatial and temporal variation of nitrous oxide concentrations in soil profiles of Manural Loessial Soil