| Institution: | 1 Department of Soil Science, Faculty of Agriculture/Institute for Agricultural Research, Ahmadu Bello University, Private Mail Bag(P.M.B.)1044, Zaria 810107(Nigeria)
2 Faculty of Agriculture, Banat''s University of Agricultural Sciences and Veterinary Medicine "King Michael I of Romania" from Timisoara, Timisoara 300645(Romania)
3 Faculty of Agriculture and Veterinary Science, Mewar University, Chittorgarh, Gangrar 312901(India)
4 Department of Pure and Applied Chemistry, Faculty of Sciences, Kaduna State University, Tafawa Balewa Way, P.M.B. 2339, Kaduna 741102(Nigeria)
5 Department of Chemistry, Faculty of Physical Sciences, Ahmadu Bello University, P.M.B. 1044, Zaria 810107(Nigeria)
6 Department of Fundamental and Applied Sciences, Universiti Teknologi Petronas, Perak Darul Ridzuan, Seri Iskandar 32610(Malaysia) |
