agricultural nonpoint source pollution

例句：

1. 1. The agricultural nonpoint source pollution isa major environmental issue in the region.
   该地区的农业非点源污染是一个重要的环境问题。
2. 2. To reduce agricultural nonpoint source pollution, farmers need to adopt more sustainable farmingpractices.
   为了减少农业非点源污染，农民需要采用更可持续的农业实践。
3. 3.The government has implemented several measures to controlagricultural nonpoint source pollution in the city.
   政府已经实施了多项措施来控制城市中的农业非点源污染。