The result showed that the contents of heavy metals in Sanqi earthnuts planted in the treated soils were lower than the blank collator.

 
  • 檢測結果表明,幾種改良劑處理三七栽培土壤后,三七塊根樣品中鉛、鎘、砷、汞等4種重金屬殘留量均低于空白對照。
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