Urea Split Application to Maize (Zea mays L.) Growth Stages of Medium Maturities, Influenced on Grain Yield and Parameter for Yield at Bako, East Wollega, Ethiopia
Table 7
Main effect of growing year, varieties, and nitrogen split application on grain yield, harvest index, and thousand seed weight of maize in 2029 and 2020 cropping season.
Treatment
Grain yield
Harvest index
Thousand seed weight (mg)
Year
2019
8205.32
42.48
330
2020
8637.32
42.00
360
LSD (5%)
244.241
Ns
0.013
Varieties
BH-546
8400.46
42.54
330
BH-547
8442.19
41.94
360
LSD (5%)
244.241
Ns
0.013
Time of urea split application
1/2 sowing + 1/2 knee height + 0 at tasseling
8196.3387
43.45
330
1/2 sowing + 0 at knee height + 1/2 at tasseling
7598.349
43.06
340
1/3 sowing + 1/3 knee height 1/3 tasseling
8327.3157
40.42
340
0 at sowing + 2/3 dose at knee height + 1/3 dose at tasseling
8803.6443
41.78
350
0 at sowing + 1/2 knee height + 1/2 tasseling
7969.3317
41.36
340
1/4 at sowing + 1/2 at knee height + 1/4 at tasseling