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

Table 2

Influencing factors of the AEE.

Index layer	Formula	Unit
Economic growth (X1)	Total AFAF output/total rural population	10,000 yuan/person
Capitalization level (X2)	Fixed asset investment of AFAF/number of AFAF employees	10,000 yuan/person
Fertilizer intensity (X3)	Pure amount of agricultural fertilizer applied/total sowing area of crops	Ton/hectare
Pesticide intensity (X4)	Total amount of pesticide applied/total sowing area of crops	Ton/hectare
Agricultural planting structure (X5)	Total sowing area of food crops/total sowing area of crops	%
Agricultural scientific progress (X6)	Internal expenditure on research and development (R&D)/GDP	%
Fiscal expenditure (X6)	Fiscal expenditure on agriculture, forestry, and water (AFW) affairs/total fiscal expenditure	%