The contents of clay,silt and nutrient of sediment decreased approximately with time change,and the direct correlations were close among the contents of clay and silt and the contents of nutrient.

　
英 美
  • 流失泥沙細小顆粒含量與養分含量隨時(shí)間基本都呈降低的變化趨勢,并且細小顆粒含量與攜帶流失的養分含量有顯著(zhù)甚至極顯著(zhù)的正相關(guān)性;
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