. 2019 Oct 31;16(21):4233. doi: 10.3390/ijerph16214233

Table 4.

Calculated decoupling index.

Year	2009	2010	2011	2012	2013	2014	2015	2016	2017
$T_{1}$	0.065743	−0.666489	−0.259898	−0.602069	6.893880	−0.696446	−0.329211	0.891085	−1.597385
$T_{2}$	1.028854	−1.342465	0.073102	−1.926675	2.497980	−0.016560	−0.140000	1.738448	−0.512702
$T_{3}$	−0.380824	1.539767	0.012526	0.766248	−2.243248	1.430823	0.496848	0.551456	−0.250250

Note: $T_{1}$ indicates the decoupling index for pesticide use and per capita gross agricultural production. $T_{2}$ indicates the decoupling index for the amount of fertilizer used in agriculture and per capita gross agricultural production. $T_{3}$ indicates the decoupling index for agricultural plastic film use and per capita gross agricultural production value.