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[2]
Response of winter wheat to N-fertiliser: Dynamic model[J] . D. J. Greenwood,L. M. J. Verstraeten,Ann Draycott,R. A. Sutherland.Fertilizer Research . 1987 (2)
[3]
A function for describing nitrogen uptake, dry matter production and rooting by wheat crops[J] . A. P. Whitmore,T. M. Addiscott.Plant and Soil . 1987 (1)
[4]
Effect of irrigation scheduling on grain yield and nitrogen use efficiency of irrigated wheat at Kadawa and Bakura, northern Nigeria[J] . V Balasubramanian,AV Chari.Fertilizer Research . 1983 (3)