Onu, Ogbonnaya Boniface, University of Nigeria Federal college of agriculture ishiagu
Onu, Onu olughu, Michael Okpara University of Agriculture, Umudike Abia State Nigeria
Onwe, David Nwabueze, University of Uyo
Onwualu, Peter Azikiwe
Onwuka, Osinachi, Michael Okpara University of Agriculture, Umudike, Nigeria
Onwuka, Udochukwu Nelson
Onyekwere, P. S. N., Department of Agricultural Engineering, Federal College of Agriculture P.M.B 7008 Ishiagu, Ebonyi State Nigeria
Opara, L. U
Opara, Linus U
OPEYEMI, OLA FUNMILAYO, university of ilorin
Orakwe, Louis C, Nnamdi Azikiwe University Awka Anambra State
Orange, Didier
Orberti, Roberto
Oresanya, M. O
Orhevba, Bosede Adelola, Federal University of Technology, Minna, P.M.B. 65, Niger state, Nigeria
Orisaleye, Ifeoluwa, University of Lagos
Orisaleye, Joseph Ifeolu, University of Lagos, Nigeria
Orji, Precious Chimaraoge, University of Nigeria, Nsukka, Nigeria
Ortega, J. F
Ortega, J. F.
Ortega,, J. F.
Ortiz-Laurel, H.
Ortolani, Marco, University of Palermo
Osadebe, N. N.
Osaivbie, Idahosa Endurance, Department of Agricultural and Biosystems Engineering, Landmark University, P.M.B. 1001, OmuAran, Kwara State, Nigeria

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