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Results from an arable crop rotation study, Oak Park, 2000 - 2007. Study by J. G. Crowley, A. Mahon and E. Baldwin Presentation by: Dr. T. Kennedy, Dr. C. Merfield and A. Mahon. Objective:. Overall aim – to improve the yield and quality of organic arable crops in Ireland Others:

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results from an arable crop rotation study oak park 2000 2007

Results from an arable crop rotation study, Oak Park, 2000 - 2007

Study by J. G. Crowley, A. Mahon and E. Baldwin

Presentation by: Dr. T. Kennedy, Dr. C. Merfield and A. Mahon

objective
Objective:

Overall aim –

  • to improve the yield and quality of organic arable crops in Ireland

Others:

  • Base-line data, good agronomy practices, costs AND ……….
  • Conduct component trials within the existing rotation
organic rotation study
Organic Rotation study
  • Trial lay out
  • Results crop sequence
  • Summary and Conclusions
  • Future …………
slide4

Spring Barley

Start grass/clover

W. Wheat

High response

Legume

Replace N

Potatoes

Mineralise N

Oats

Low fertility

7 YEAR ROTATION

Grass / CloverN + OM build-up2 Seasons

slide6

S barley

Lupins

W wheat

Grass

Clover

Grass

Clover

S Oats

Triticale

Potatoes

Lupins

S barley

Grass

Clover

Grass

Clover

W Oats

Potatoes

N

M

S barley

Grass

Clover

W wheat

Grass

Clover

W Oats

Lupins

Potatoes

L

K

J

I

H

G

F

E

D

C

B

A

Q

P

O

U

T

S

R

2008

WOOD

BOUNDARY WALL

BOUNDARY WALL

WOOD

ROAD WAY

ROAD WAY

WOOD

summary
Summary -----

Single rotation, 7-year cycle 2000

  • Grass-clover sown in autumn – red clover
  • Winter wheat 5.9 t/ha, triticale 7.5 t/ha
  • Potatoes, 32.7 t/ha Tuber size - good
  • Winter oats 5.8 t/ha. Spring 4.6 t/ha.
  • Lupins 2.4 t/ha
  • Spring barley 4.5 t/ha
  • Cultivar evaluation -- Teagasc & DAFF
conclusions
Conclusions -----
  • Winter wheat -- no major production problems. Good yields.
  • Potatoes – weeds ! Yield, Harvest early August. Suitability !
  • Oats - yields good. Sow late-Oct / early-Nov.
  • Lupins Totally unsuited.
  • Spring barley. Should do better with lupins gone
  • Cultivars. Potato – blight and slug resistance. Cereals cultivars.
  • Nutrients No major decline or depletion. Monitor.
acknowledgements
Acknowledgements -----

DAFF

Frank Ryan

Herbert Wilson

results from an arable crop rotation study oak park 2000 200736

Results from an arable crop rotation study, Oak Park, 2000 - 2007

Study by J. G. Crowley, A. Mahon and E. Baldwin

Data compiled by: Dr. T. Kennedy, Dr. C. Merfield and A. Mahon

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