Nitrogen responses in two barley varieties
Aim
To compare Flexi-N responses in Baudin and Hindmarsh barley varieties.
Harvest results
|
Flexi-N Application
|
Harvest
|
|
|
Band
|
Z22
|
Z30
|
Z37
|
|
Yield
|
Protein
|
HL wt.
|
Screenings
|
|
|
(L/ha)
|
N
|
(t/ha)
|
(%)
|
(kg/HL)
|
(%)
|
|
Baudin
|
-
|
-
|
-
|
-
|
12
|
2.26
|
8.2
|
65
|
2.8
|
|
Baudin
|
60 Flexi-N
|
-
|
-
|
-
|
37
|
3.02
|
9.4
|
67
|
2.0
|
|
Baudin
|
60 Flexi-N
|
-
|
60 Flexi-N
|
-
|
62
|
3.23
|
9.5
|
64
|
2.5
|
|
Baudin
|
60 Flexi-N
|
-
|
120 Flexi-N
|
-
|
88
|
2.97
|
9.5
|
63
|
3.8
|
|
Baudin
|
60 Flexi-N
|
-
|
120 Flexi-N
|
60 Flexi-N
|
113
|
3.90
|
10.8
|
64
|
3.8
|
|
Baudin
|
-
|
60 Flexi-N
|
120 Flexi-N
|
-
|
88
|
3.50
|
10.1
|
64
|
5.3
|
|
Hindmarsh
|
-
|
-
|
-
|
-
|
12
|
2.05
|
8.1
|
65
|
4.7
|
|
Hindmarsh
|
60 Flexi-N
|
-
|
-
|
-
|
37
|
2.74
|
8.9
|
64
|
7.5
|
|
Hindmarsh
|
60 Flexi-N
|
-
|
60 Flexi-N
|
-
|
62
|
3.12
|
8.4
|
65
|
6.8
|
|
Hindmarsh
|
60 Flexi-N
|
-
|
120 Flexi-N
|
-
|
88
|
3.43
|
10.1
|
66
|
9.9
|
|
Hindmarsh
|
60 Flexi-N
|
-
|
120 Flexi-N
|
60 Flexi-N
|
113
|
3.82
|
9.7
|
67
|
6.8
|
|
Hindmarsh
|
-
|
60 Flexi-N
|
120 Flexi-N
|
-
|
88
|
3.38
|
10.4
|
63
|
12.4
|
|
|
|
|
|
|
|
<0.001
|
0.017
|
0.538
|
0.011
|
|
|
|
|
|
|
|
0.47
|
1.311
|
nsd
|
5.0
|
Key results
- Flexi-N applications increased Baudin yields from 2.3 to 3.9t/ha, and Hindmarsh yields from 2.0 to 3.8t/ha.
- At least 120L/ha Flexi-N (in total) was required to lift Baudin protein to the Malting Grade standard of 9.5%
- Baudin responded strongly to late Flexi-N (applied at Z37)
For further information on this trial
contact your local area manager.