与点源污染相比，非点源污染具有随机性、间歇性、滞后性、复杂性等特点，不易控制和治理。
In contrast with point source pollution, non-point pollution is difficult to control and prevent because of its randomicity, intermittence, hysteresis and complexity.
土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
根据排放方式的不同，水体污染可以分为点源污染和非点源污染两大类。
The water pollution can be divided into two major categories of point source and area-source pollution according to the different way of discharge.
水污染物分为点源和非点源，前者认为所有干燥空气污染物通过水管或管道进入水道。
Water pollutants are categorized as point source or nonpoint source, the former being identified as all dry weather pollutants that enter watercourses through pipes or channels.
随着点源污染的有效管理和控制，非点源污染已成为水环境污染的主要原因。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
随着点源污染的有效管理和控制，非点源污染已成为水环境污染的主要原因。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
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