soil K土壤钾素soiln.土地；土壤；污物，粪便v.弄污soil erosive chain土壤侵蚀链soil-dried layer土壤干层soil exposure test土壤曝露试验soil stabilization土壤加固法soil lake porosity土壤缺乏孔隙soil-cement pile水泥土桩soil wetted volume土壤湿润体soil nutrient pool土壤养分库Soils/sediments土壤/沉积物soil actinomycetes土壤放线菌