Spring Barley Fertiliser Trial
2017
The darker bars represent treatments with additional MOP
The darker bars represent treatments with additional MOP
Spring Barley Nitrogen Timing Trial Grain N Content - Planet
Spring Barley Nitrogen Timing Trial Grain N Content - Propino
2.0
2.0
1.9
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.5
1.5
1.4
1.4
SSS
Propino Control 37:75:37 50:50:50 75:75:00 44:87:44 58:58:58 87:87:00 50:100:50 67:67:67 100:100:00 56:112:56 75:75:75 112:112:00
SSS
Planet Control 37:75:37 50:50:50 75:75:00 44:87:44 58:58:58 87:87:00 50:100:50 67:67:67 100:100:00 56:112:56 75:75:75 112:112:00
0 kg N
150 kg N
175 kg N
200 kg N
225 kg N
0 kg N
150 kg N
175 kg N
200 kg N
225 kg N
Total kgs N applied (including amount per application)
Total kgs N applied (including amount per application) Spring Barley N Timing Trial Yield - Planet
The darker bars represent treatments with additional MOP
The darker bars represent treatments with additional MOP
Spring Barley N Timing Trial Yield - Propino
11.0
10.55 t/ha
11.0
10.5
10.30 t/ha
10.15 t/ha
10.5
10.0
10.0
9.5
9.68 t/ha
9.65 t/ha 9.73 t/ha
9.5
9.0
9.0
8.5
8.5
8.0
8.0
7.5
7.5
7.0
7.0
6.5
6.5
6.0
Planet Control 37:75:37 50:50:50 75:75:00 44:87:44 58:58:58 87:87:00 50:100:50 67:67:67 100:100:00 56:112:56 75:75:75 112:112:00
6.0
Propino Control 37:75:37 50:50:50 75:75:00 44:87:44 58:58:58 87:87:00 50:100:50 67:67:67 100:100:00 56:112:56 75:75:75 112:112:00
0 kg N
150 kg N
175 kg N
200 kg N
225 kg N
Total kgs N applied (including amount per application)
0 kg N
150 kg N
175 kg N
200 kg N
225 kg N
Total kgs N applied (including amount per application)
2016
N Timing Trials Key Results
Grain N
t/ha
11.85 12.01 11.85
11.54 11.34 11.43 11.17 11.22 11.42
12.00
11.35 11.52 11.62
10.00
8.00
6.00
4.00
1.70
1.72
1.81
1.65
1.71
2.00
1.47
1.46
1.60
1.56
1.61
1.59
1.51
0.00
125kgs
150kgs
175kgs
200kgs
Total N kgs/ha Including Splits kgs/ha
Conclusions
➢ Yields down on last year (2.17 T/Ha) ➢ Optimum N is 175kg/ha in 3 equal splits for Planet with addtional K & 150kg/ha in 2 splits with K for Propino OR 200kg in 2 splits without additional K ➢ Propino much less responsive to additional K – Planet very responsive to additional K ➢ All treatments close are within quality specs to an acceptable level
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