Super Phos, Flexi-N and lime on pasture
Location
Northam
Aim
To demonstrate increased pasture production.
Soil Analysis results
|
Soil Type
|
Depth
|
OC
|
ECEC
|
P
|
Fe
|
K
|
S
|
pH
|
|
Marri gravelly sandy loam
|
0-10cm
|
3.8
|
5.3
|
42
|
459
|
213
|
9
|
4.9
|
Plant Analysis results
Nitrogen and phosphorus were limiting. All other nutrients were adequate.
Pasture production
|
|
Treatments
|
|
|
Sept-05
|
Oct-05
|
Total
|
|
Trt
|
(kg/ha or L/ha)
|
N
|
P
|
(t/ha)
|
(t/ha)
|
(t/ha)
|
|
1
|
Nil control
|
0
|
0
|
2.75
|
1.36
|
4.11
|
|
2
|
100 Super Phos
|
0
|
9
|
2.97
|
1.86
|
4.83
|
|
3
|
Nil (200 Super Phos 2005 & 2006)
|
0
|
0
|
2.93
|
1.73
|
4.66
|
|
4
|
300 Super Phos
|
0
|
27
|
3.08
|
1.76
|
4.84
|
|
5
|
300 Super Phos + 2t Lime
|
0
|
27
|
3.14
|
1.73
|
4.87
|
|
6
|
300 Super Phos + 2t/ha Lime + 70 Flexi-N*
|
30
|
27
|
3.40
|
2.12
|
5.52
|
|
|
|
|
Prob
|
<.001
|
<.001
|
<.001
|
|
|
|
|
LSD
|
0.115
|
0.255
|
0.275
|
* Flexi-N applied in August
Key results
- 100 kg/ha Super Phos increased pasture production by 0.7 t/ha
- August application of Flexi-N increased pasture production by 0.65 t/ha (22 kg dry matter/kg N).
For further information on this trial
contact your local area manager.