Performance of Two Rape (Brassica napus) Cultivars under Different Fertilizer Management Levels in the Smallholder Sector of Zimbabwe

Table 2

Effect of variety and AN fertilizer application rape fresh leaf yield (g/plant) at 6, 7, 8, and 9 weeks after planting.

AN fertilizer application rate	5 WAP	7 WAP	9 WAP	11 WAP
0 kg/ha	84.2a	84.2a	61.7a	38a
200 kg/ha	176.7b	176.7b	158.3b	194b
300 kg/ha	182.5b	182.5b	163.3b	150b
350 kg/ha	208.3b	208.3b	191.7b	172b
400 kg/ha	248.3c	248.3c	231.7c	205b
p-fert	<0.001	<0.001	<0.001	<0.001
English Giant	449.3	386.3	163.3	162
Hobson	433.7	381.7	159.3	142
Pvar	0.785	0.505	0.679	0.382
pvar  fert	0.833	0.991	0.991	0.497
Lsd-fert	31.04	32.52	31.64	72.8