Research on the Relationship between Urban Agricultural Nonpoint Source Pollution and Rural Residents’ Income Growth

Figure 2

Impulse response graph between the application intensity of NPK, pesticides, and plastic film and economic growth. (a) Response of LnFarm to LnPF. (b) Response of LnPF to LnFarm. (c) Response of LnFarm to LnNPK. (d) Response of LnNPK to LnFarm. (e) Response of LnFarm to LnPestic. (f) Response of LnPestic to LnFarm.

(a)

(b)

(c)

(d)

(e)

(f)