Table 3.

N uptakes of subsequent wheat crop grown after different legumes, northern Ethiopia.

Cropping system	Grain N Content (%)	Straw N Content (%)	Grain N uptake (kg ha−1)	Residue N uptake (kg ha−1)	Total N uptake (kg ha−1)	Uptake Increase (kg ha−1)
Faba bean -wheat	2.18 a	1.09 a	115.3a	77.3 a	192.6 a	137.6
‘Dekeko’ -wheat	1.34 b	0.80 b	63.8 b	48.5 b	112.3 b	57.3
Field pea -wheat	1.19 c	0.87 c	52.5 bc	55.7 b	108.2 b	53.2
Lentil - wheat	1.00 d	0.60 d	42.2 cd	36.2 c	78.4 c	23.4
Wheat-wheat	0.67 e	0.24 e	37.0 d	18.0 d	55.0 d	–
L.s.d	0.09	0.07	14.29	10.90	15.15
Cv	14.5	20.3	16.4	17.9	15.3
F	<0.001	<0.001	<0.001	<0.001	<0.001