The results showed, the breakthrough curve of nitrate vertical transport in saturated condition was more or less non-symmetrical, mainly due to the different proportion of mobile and immobile water in the soil and soil physical properties.

 
  • 結果表明,在飽和條件下,硝態(tài)氮垂直運移過(guò)程的穿透曲線(xiàn)呈現不對稱(chēng)形狀和拖尾現象,主要由于土壤中存在著(zhù)動(dòng)水和不動(dòng)水的比例不同和土壤的物理性質(zhì)所致。
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