| 1 | Effect of population increase on land use in Shuangbai was notable, but it was not marked in Chuxiong. | |
| 2 | The paper investigates the background value of agricultural non-point source pollution source in Chuxiong city, and analyzes the present pollution situations, and points out some countermeasures. | |
| 3 | Therefore, study how to enhance urban radiation of Chuxiong as regional central city has important theoretical and practical significance. | |
| 4 | Villagers line up to collect drinking water from a well at a drought-hit village in Chuxiong. |
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