Studies on the influence of Cu and Pb on clover absorption can provide references for phyto-remediation of heavy metal polluted soil and for critical-value determination of contaminated soil.

• 研究铜与铅对于植物三叶草吸收的相互影响，可为重金属污染土壤的植物修复和土壤污染临界值的制订提供参考。