Spring Barley Fertiliser Trial

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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