Growth Rate and Yield of Two Tomato Varieties (Lycopersicon esculentum Mill) under Green Manure and NPK Fertilizer Rate Samaru Northern Guinea Savanna von Isah, A. S., Amans, E. B., Odion, E. C., Yusuf, A. A.

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The effect of controlled-release fertilizer ?Osmocote? on growth, yield and composition of onion plants von Amans, E. B., Slangen, J. H. G.

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Contributions of shoot N, P and K to tuber yield of Irish potato (Solanum tuberosum L.) at Samaru, Nigeria von Babaji, B.A, Amans, E.B, Falaki, A.M, Chiezey, U.F, Mahmud, M, Mahadi, M.A, Muhammad, A.A

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Yield and economic returns of maize/soyabean mixture as influenced by crop proportion and green manure at Samaru, Nigeria von Tunku, P.,Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Agronomy, Odion, E.C.,Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Agronomy, Amans, E.B.,Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Agronomy, Shebayan, J.A.Y.,Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Agronomy, Ishaya, D.B.,Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Agronomy, Adekpe, D.I.,Ahmadu Bello Univ., Zaria (Nigeria). Dept. of Agronomy

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