Spatiotemporal Evolution and Influencing Factors of China’s Agricultural Environmental Efficiency

Table 1

Input-output system of the AEE.

Type	Name	Meaning	Unit
Inputs	Labor input	Total number of AFAF employees	10,000 persons
	Land input	Total sowing area of crops	1,000 hectares
	Mechanical input	Total mechanical power of agriculture	10,000 kW
	Fertilizer input	Pure amount of agricultural fertilizer applied	10,000 tons
	Agricultural irrigation	Effective area of agricultural irrigation	1,000 hectares
Outputs	Total AFAF output	Actual AFAF output with the constant price of 2000	100 million yuan
	Agricultural carbon emissions	Carbon emissions estimated by formula (3)	10,000 tons