soil Cr土壤铬soiln.土地；土壤；污物，粪便v.弄污soil conservation measures土壤保持措施soil surveying and mapping土壤调查与制图soil hydrological function土壤水文效应soil environmental quality土壤环境质量soil heavy metal pollution土壤重金属污染Soil nutrient accumulation土壤养分累积soil water retention curve土壤水分特征曲线soil water-salt dynamics水盐动态Soil Remediation In-Sltu土壤原位修复soil and water observation土壤水分监测