Bioaccumulation Of Herbicide, Butachlor® In Bean Leaves At 6 Weeks After Application At Pre-Emergence Journal title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) Authors: Enefe, Ndidi G, Ubani, Chibuike S., 3Onwurah Ikechukwun. E, Ode, Julius O Subject(s):