结果显示：大雨初期污染负荷在总污染负荷中的比例最大达到97.29%，中雨初期污染负荷在总污染负荷中的比例最大达到81.71%，小雨初期污染负荷在总污染负荷中的比例最大达到41.38%。

Results showed that, at the beginning of downfall, the maximum ratio of first flush pollutants load to total pollutants load is 97.29%, which of average rain is 81.71 %, of small rain is 41.38%.

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大嵩江流域非点源总氮、总磷污染负荷占整个流域污染负荷的57％、43％。

Agricultural non-point source pollution was take up 57%> 43% of total N&P pollution loading in Dasong river watershed respectively.

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