Spatial Pattern Evolution and Influencing Factors on Agricultural Non-Point Source Pollution in Small Town Areas under the Background of Rapid Industrialization.

From the source equivalent emissions, all four sources of pollution equivalent emissions showed a decreasing trend: from 2002 to 2007, agricultural solid waste > agricultural fertilizer > rural life > livestock and poultry farming; and from 2008 to 2019, agricultural solid waste > rural life > agricultural fertilizer > livestock and poultry farming.

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Overall, the equivalent emissions of ANSP in Gongyi City during 2002–2019 show a zigzagging decreasing trend from 8.23 × 10 8 m 3 in 2002 to 5.48 × 10 8 m 3 in 2019, indicating that the management of ANSP in Gongyi City displayed a positive trend.

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