Table 1.

Carbon emission factor reference.

Carbon Emission Source	Carbon Emission Factor	Reference
Fertilizer	0.8955 kg(C)/kg	Oak Ridge National Laboratory [35]
Pesticides	4.9342 kg(C)/kg	Oak Ridge National Laboratory [35]
Agricultural diesel oil	0.5926 kg(C)/kg	Intergovernmental Panel on Climate Change IPCC [36]
Agricultural plastic films	5.18 kg(C)/kg	Institute of Resource, Ecosystem, and Environment of Agriculture, Nanjing Agricultural University
Agricultural power	$0.7921 \mathrm{t}\ast {\mathrm{MWh}}^{-1}$	China’s Ministry of Ecology and Environment
Agricultural irrigation	266.48 kg(C)/${\mathrm{hm}}^2$	Intergovernmental Panel on Climate Change IPCC