Characterizing the urban metabolism of food-sourced carbon, nitrogen, and phosphorous: a case study of Xiamen DEVELOPMENT OF A NPV COMPOUND BIOCONTROL AGENT Photosynthetic characteristics, biomass allocation, C,N and P distribution of Schima superba seedlings in response to simulated nitrogen deposition Survey and Analysis for Susceptibility of in vitro Cultured Insect Cell Lines to AcNPV and BmNPV Sustainable Effects for Hyphantria cunea Nuclear Polyhedrosis Virus on the Host Insects and the Diffusion Approach of the Virus Synergistic effect of tebufenozide combined with Autographa californica nuclear polyhedrosis virus against Spodoptera exigua