Dr. Abha Mishrasri.ciifad.cornell.edu/conferences/IRC2010/IRC_SRI_Day...Dr. Abha Mishra Senior...
Transcript of Dr. Abha Mishrasri.ciifad.cornell.edu/conferences/IRC2010/IRC_SRI_Day...Dr. Abha Mishra Senior...
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Dr. Abha MishraSenior Research Specialist-cum-Affiliated Faculty
Agricultural Systems and EngineeringSchool of Environment Resources and Development
Asian Institute of Technology, ThailandE-mail: [email protected]
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Agriculture for climate change mitigation and
adaptation
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1. Greenhouse gas mitigation mechanism in agriculture
1. Reduction in emission of GHGa) Efficient management flow of C & N in agro-ecosystemsb) Management of livestock and their feedc) Nutrient and water management in rice
2. Enhancing removal of atmospheric GHGa) By C sequestration – 90% mitigation by sink enlargementb) By increasing photosynthetic input of C in agro-ecosystemc) By oxidation of methane from agricultural lands.
3. Avoiding emission
a) Converting greenhouse gas to fuels such as phenol and bio fuels.
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Apply compost as much as possible
C- sequestration Increase soil organic carbon in agriculture system (apply
organic matter): improves c sequestration potential; lowerCH4 and N2O emission; conserve farming energy; storemore water, increases soil quality and fertility, better soilstructure and water availability
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CH4 and N2O mitigation Intermittent irrigation/mid-season drainage/non-flooded
soil condition reduces methane 70-90%. Use of compost + aerobic soil condition reduces methane
emission Aerobic rice rhizosphere can oxidize methane 19-90%Avoiding continuous soil saturation reduces methane
emissions from rice fields without generating offsetting nitrous oxide emissions.
SRI principles: intermittent irrigation/ non-flooded soil condition, single seedlings transplant, transplanting
with wider spacing and use of compost
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O2O2
O2
O2
O2O2
Larger oxygenated rhizosphere
Higher root length density
and prolong root activity
could be maintained by
micro-environment management
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Mitigation optionsthat encourageefficient use offertilizers, maintainsoil C and sustainagriculturalproduction are likelyto have greatestsynergy withsustainabledevelopment
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2. Climate change adaptation and SRIThe challenge of climate change adaptation is to
(i) Produce more food, (ii) more efficiently, (iii) under more volatile production conditions
Those practices that confer tolerance to drought –SRI
Early maturation in order to shorten the growing season and reduce farmers’ exposure to risk of extreme weather events – SRI
Tolerance to pest and diseases – SRI
Less economic loss
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• Vulnerability, resilience and disaster preparedness
• Low carbon societies and renewable energy
• Water resources and coastal adaptation strategies
• Urban and rural sustainability
• Agriculture, forestry and land use
• Cleaner production and climate change
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AIT’s SDCC initiatives: Roi-Et province, Northeast Thailand)
Evaluating legumes as covercrops and then as a greenmanure for enhancing wateruse efficiency and soilfertility status using FFSapproach
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AIT’s SDCC initiatives: Surin province, Northeast Thailand)
Rejuvenating soil withbentonite + legumes forenhancing water use efficiencyand soil fertility status usingFFS approach
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AIT’s SDCC initiatives: Ratchaburiprovince, Central Thailand)
Community preparedness for climate change and increased water use efficiency
for rice cultivation using principles of System of Rice Intensification (SRI) in
Central Thailand
http://www.ait.ac.th/news-and-events/2010/news/climate-friendly-rice-production-demonstrated-in-central-thailand/view
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INITIATIVES IN THE PIPE LINE
1. Dedicated post doctoral to strengthen researchgroups by young post doctoral fellows
2. Internal seed support to form close interdisciplinaryteams
3. Start Masters course in Climate Change (CCSD)
4. Implementation of research outcome
www.ait.asia
AIT’s Future Plan
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AIT’s Future Plan and SRIQuantification through in-depth collaborative scientific
studies
water productivity benefit
disease-resistance mechanisms in SRI plants, and
methane emission reduction from SRI fields.
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National innovation platform
National innovation platform
National Innovation
platform
National innovation platform
P1
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LIP
CFPAR
FPAR
NI P
Regional innovation platform
Regional innovation platform
Regional innovation platform
RIP
N-S partnership
S-S partnership
P2
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P1P3
P2
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P1P2
International collaboration
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Thank you for your attention
Contact for more information:Dr. Abha Mishra
ASE/SERDAsian Institute of Technology
PO Box 4 Klong LuangPathumthani 12120
Thailand Email: [email protected]
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