Peryea F.J. 1998. Historical use of lead arsenate insecticides, resulting in soil contamination and implications for soil remediation. Proceedings, 16th World Congress of Soil Science, Montpellier, France. 20-26. Aug. Available online: http://soils.tfrec.wsu.edu/leadhistory.htmபரணிடப்பட்டது 2008-12-07 at the வந்தவழி இயந்திரம்
wsu.edu
soils.tfrec.wsu.edu
Peryea F.J. 1998. Historical use of lead arsenate insecticides, resulting in soil contamination and implications for soil remediation. Proceedings, 16th World Congress of Soil Science, Montpellier, France. 20-26. Aug. Available online: http://soils.tfrec.wsu.edu/leadhistory.htmபரணிடப்பட்டது 2008-12-07 at the வந்தவழி இயந்திரம்