Liquid versus solid nitrogen and phosphorus fertilisers in wheat
Location
Aldersyde
Aim
To compare the relative agronomic effectiveness of AgStream and Agflow.
Soil Analysis results
|
Soil Type
|
Depth
(cm)
|
OC
(%)
|
ECEC
(meq/100g)
|
P
(mg/kg)
|
Fe
|
K
(mg/kg)
|
S
(mg/kg)
|
pH
(caCl2)
|
|
Brown loam
|
0-10
|
1.0
|
4.5
|
22
|
430
|
175
|
8.0
|
5.2
|
|
|
10-20cm
|
0.6
|
4.4
|
16
|
400
|
159
|
8.0
|
5.5
|
Harvest results
| Trt |
Banded |
N |
P |
Harvest
|
|
Yield
|
Protein
|
|
(t/ha)
|
(%)
|
|
1
|
Nil
|
35
|
0
|
2.49
|
11.2
|
|
2
|
23 Agflow
|
35
|
4
|
2.79
|
11.5
|
|
3
|
26 AgStream
|
35
|
4
|
2.91
|
14.0
|
|
4
|
45 Agflow
|
35
|
8
|
3.00
|
10.9
|
|
5
|
52 AgStream
|
35
|
8
|
2.94
|
11.2
|
|
6
|
90 Agflow
|
35
|
16
|
3.18
|
10.8
|
|
7
|
104 AgStream
|
35
|
16
|
2.92
|
11.3
|
|
8
|
181 Agflow
|
35
|
32
|
3.40
|
9.3
|
| |
Prob
|
<0.001
|
0.752
|
| |
LSD
|
0.219
|
nsd
|
Key results
- There was a 0.9 t/ha response to phosphorus
- Responses to Agflow and AgStream were similar.
For further information on this trial
contact your local area manager.