This is A important resource of potential nutrient of soil.
缓效养分，是土壤潜在肥力的重要来源。
The soil is abundant potential nutrient.
土壤潜在养分较丰富。
Studies have shown that the soil nutrient loss has strong connection with its content, and the accumulation of soil nutrient can increase the loss potential.
农业面源污染物质氮、磷流失是与土壤营养物含量之间存在较强的联系，土壤营养物的累积可增大流失风险。
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