The Year That Was - A Carbon Farmer's Journey
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Transcript of The Year That Was - A Carbon Farmer's Journey
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The Year That was
Anne Williams
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2007Carbon Cockies Plains of NSW
• No-till farmers near Coonamble
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Benefits on “Magomadine” from No-till farming
No-till since 1996
Environmental benefitsless erosion
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Increased yields and profits
More water stored in the soil profile
Improved soil structure
Increasing level of soil nutrients
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Ability to double crop
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Carbon benefits
• 60% reduction in fuel
• Carbon rose from 0.7-1.2% in 7 years
• Why?
• Increased biomass
• No hay
• No N fertiliser
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Biology Workshop
• Questioned our effect on soil biology
• Can we improve our soil biota?
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Compost trial“Cotton Paddock”
• 2t/ha June 2007
• 6 replicated plots
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Compost Trials
• No rain from end of July until harvest
• No visible difference
but…..
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Measurements?
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Yield increase
• An average of 20% increase in yield
Compost trials
0.00
0.50
1.00
1.50
2.00
2.50
Control compost 2t/ha compost 2t/ha+extra
compost 2t/ha+ tea
Treatment
yie
ld (
tota
l h
ead
) t/
ha
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Compost Windrow
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Compost tea
• Sowing 2008:
• Dribble tea down behind the sowing tyne
• Places microbes in moist soil with the seed.
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Front WestPaddock
Total Carbon In Front West Paddock
April 2008
0
0.5
1
1.5
Uncropped No-till No-till + Compost
Location
To
tal C
arb
on
(%
)
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Nematode population in Front West Paddock
April 2008
0
10
20
30
40
Uncropped No-till No-till + Compost
Site
Ne
ma
tod
es
pe
r g
ram
of
so
il
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Masters ResearchUNE Armidale
GRDC Scholarship• Investigate:
Biological properties and soil amendments in the no-till cropping system.
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Initial Farm Survey
• 20 Farms across the Central West
• Aim: To compare paired sites to find any significant changes.
• Soil tests– Physical, chemical and – Biological– Summary of farm – practices
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Field Trial
• Comparing different organic and other possible amendments
• Trial set up in May 08
• 08 – long fallow
• 09- wheat crop
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Where to next?
• All sowing with compost tea
• Continue to make compost
• Continue with studies
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Thankyou!
– Jan 08