Residual Nitrogen Contributions from Grain Legumes to the Growth and Development of Succeeding Maize Crop

Table 8

Interaction between previous crop and nitrogen fertilizer on fodder yield of succeeding maize crop at Samaru, Zaria, Nigeria during 1998 cropping season.

Previous Crops	Fertilizer rates (Kg N ha^−1)
	0	40	80	120
Soyabean	2663jk	3200i	3800gh	4850de
Cowpea	3150i	4200fg	4900d	5138cd
Lablab	4663e	5263c	6000b	7188a
Groundnut	3325i	4575e	5225c	5488c
Previous maize	2213k	2950j	3400hi	3975g
Fallow	3000ij	3225i	3750h	4513ef

Means followed by the same letter(s) are not statistically different at 5% level of significance (P ≤ 0.05).