土壤磷素的农业非点源污染是导致水体污染的最主要的原因之一。

Soil phosphorus as agricultural non-point source pollution is one of the main factors which lead to water pollution.

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土壤磷素的农业非点源污染是导致水体污染的最主要原因之一。

Soil phosphorus as agricultural non-point source pollution is one of the main factors which led to water pollution.

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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.

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