Table 1.

The system of the agricultural green development index.

agricultural green development	Dimensions	Indicators	Unit	Index Type	Variable Definition	Means	S.D.
	resource savings	multiple cropping index of cropland	%	+	improve the intensity of land resource utilization	1.253	0.376
		water saving irrigation cropland ratio	%	+	improve the utilization intensity of water resources	0.291	0.231
		land labor ratio	ha/num	+	increase labor input intensity	5.833	3.278
		use intensity of agricultural machinery	kw/ha	+	improve resource utilization intensity	8.154	3.566
	environmental protection	use intensity of pesticide	kg/ha	−	reduce pesticide use intensity	15.316	12.540
		use intensity of chemical fertilizer	kg/ha	−	reduce the use intensity of chemical fertilizer	462.284	212.737
		use intensity of diesel	kg/ha	−	reduce agricultural waste discharge	210.862	208.644
		use intensity of plastic film	kg/ha	−	reduce agricultural waste discharge	23.247	16.974
	ecological conservation	area ratio of nature reserves	%	+	strengthen the protection of natural ecological environment	0.117	0.122
		area ratio of wetland	%	+	strengthen wetland environmental protection	0.086	0.124
		forest coverage	%	+	improve ecological conservation	0.328	0.180
	quality industrialization	amount of green food labeling enterprises per unit cropland area	num/10,000 ha	+	improve the industrialization of green agriculture	0.576	1.588
		amount of green food labeling products per unit cropland area	num/10,000 ha	+	improve the brand quality of green agricultural products	1.194	2.648
		agricultural income per unit cropland area	10,000 yuan/ha	+	increase farmers’ agricultural income	4.837	2.589