EFFECT OF EARTHWORMS ON RESIDUAL CONCENTRATION OF HERBICIDE IN SOILS
作者单位：Department of Environmental Science and Engineering Interdisciplinary Graduate School of Science and Technology Tokyo Institute of Technology 4259 Nagatsuta Midori-ku Yokohama 225-8502 JAPAN Department of Environmental Science and Engineering Interdisciplinary Graduate School of Science and Technology Tokyo Institute of Technology 4259 Nagatsuta Midori-ku Yokohama 225-8502 JAPAN
会议名称：《第二届中日化工学术研讨会》
会议日期：2002年
学科分类：09[农学] 0903[农学-农业资源与环境]
摘 要：正 The effect of earthworms （Eisenia fetida） in decreasing the concentration of herbicide （Dymron） in soil was investigated in order to verify the ability of earthworms to remediate soil systems. The experiments were performed using two kinds of soil: an artificial soil and an agricultural soil obtained from a field. For both of the soils it was found that the decrease of Dymron concentration was larger in the soil containing earthworms than the soil without them. The activity of the earthworms significantly shortened the half-life of Dymron in the soils. Accumulation of Dymron in earthworm bodies was not observed. The validity of earthworm for remediating soil contaminated by Dymron was shown.