Effects of Liquid Organic Fertilizer on Time of Tasselling, Time of Silking and Grain Yield of Maize (Zea mays) von C, Enujeke E, M, Ojeifo I, Nnaji, G U

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Evaluation of Crude Oil Contaminated Soil on the Mineral Nutrient Elements of Maize (Zea mays L.) von ., O.M. Agbogidi, ., P.G. Eruotor, ., S.O. Akparobi, ., G.U. Nnaji

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Heavy Metal Contents of Maize (Zea mays L.) Grown in Soil Contaminated with Crude Oil von Agbogidi, O.M., Eruotor, P.G., Akparobi, S.O., Nnaji, G.U.

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Land use and soil management situations in Nigeria: an analytical review of changes von Asadu, C.L.A, Ezeaku, P.I, Nnaji, G.U

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