- The document discusses farming systems to minimize greenhouse gas (GHG) emissions from a whole-farm perspective rather than just individual paddocks.
- It notes the challenges of scaling experimental data on mitigation options like nitrification inhibitors up to the farm level due to interactions between different parts of the system.
- The document analyzes the GHG emissions from different scenarios for a sheep and beef farm in New Zealand, finding that intensification can increase total emissions but improve emission intensity.
Presented by Jawoo Koo, Zhe Guo, and Stanley Wood at the CGIAR-CSI Annual Meeting 2009: Mapping Our Future. March 31 - April 4, 2009, ILRI Campus, Nairobi, Kenya
Presentation from the Informal Consultation on Livestock Issues between the FAO Animal Production and Health Division and interested Non-Governmental Organizations. 1–2 December 2009 Italy, Rome FAO Headquarters.
[Originally posted on http://www.cop-ppld.net/cop_knowledge_base]
Presentation of Antonio D. Santiago for the "2nd Workshop on the Impact of New Technologies on the Sustainability of the Sugarcane/Bioethanol Production Cycle"
Apresentação de Antonio D. Santiago realizada no "2nd Workshop on the Impact of New Technologies on the Sustainability of the Sugarcane/Bioethanol Production Cycle "
Date / Data : Novr 11th - 12th 2009/
11 e 12 de novembro de 2009
Place / Local: CTBE, Campinas, Brazil
Event Website / Website do evento: http://www.bioetanol.org.br/workshop5
Prof. Zhao is professor at Environmental Engineering Department of College of Environmental Science and Engineering, Tongji University, Shanghai. He has authored or co-authored over 118 publications published in internationally recognized journals, and over 370 publications in Chinese journals. The contents of these covered recycling and reuse of wastes, municipal solid waste landfill and incineration, sewage sludge management, contaminated construction and demolition wastes treatment generated at chemical and metallurgical plants, among a few. His current research interests include sewage sludge dewatering and sanitary landfills, deep-shaft aeration of leachate, off-shore incineration, anaerobic digestion of organic wastes for power generation, bio-hydrogen production and recycling of aged refuse in MSW landfill.
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The awards are in 2 categories, Within the Fence for work done on minimizing the organisations water footprint, and Beyond the Fence for work done in the community around the industry.
This presentation was in the "Within the Fence" category.
We thank CII and the respective companies for giving us permission to upload these presentations on the India Water Portal website for dissemination to a wider audience.
Dr. Daniel Andersen - Getting the Most from Your ManureJohn Blue
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More presentations at http://www.swinecast.com/2016-missouri-pork-expo
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Presented by Jawoo Koo, Zhe Guo, and Stanley Wood at the CGIAR-CSI Annual Meeting 2009: Mapping Our Future. March 31 - April 4, 2009, ILRI Campus, Nairobi, Kenya
Presentation from the Informal Consultation on Livestock Issues between the FAO Animal Production and Health Division and interested Non-Governmental Organizations. 1–2 December 2009 Italy, Rome FAO Headquarters.
[Originally posted on http://www.cop-ppld.net/cop_knowledge_base]
Presentation of Antonio D. Santiago for the "2nd Workshop on the Impact of New Technologies on the Sustainability of the Sugarcane/Bioethanol Production Cycle"
Apresentação de Antonio D. Santiago realizada no "2nd Workshop on the Impact of New Technologies on the Sustainability of the Sugarcane/Bioethanol Production Cycle "
Date / Data : Novr 11th - 12th 2009/
11 e 12 de novembro de 2009
Place / Local: CTBE, Campinas, Brazil
Event Website / Website do evento: http://www.bioetanol.org.br/workshop5
Prof. Zhao is professor at Environmental Engineering Department of College of Environmental Science and Engineering, Tongji University, Shanghai. He has authored or co-authored over 118 publications published in internationally recognized journals, and over 370 publications in Chinese journals. The contents of these covered recycling and reuse of wastes, municipal solid waste landfill and incineration, sewage sludge management, contaminated construction and demolition wastes treatment generated at chemical and metallurgical plants, among a few. His current research interests include sewage sludge dewatering and sanitary landfills, deep-shaft aeration of leachate, off-shore incineration, anaerobic digestion of organic wastes for power generation, bio-hydrogen production and recycling of aged refuse in MSW landfill.
The role of mangroves in the fight against climate changeCIFOR-ICRAF
Vietnam is one of the few tropical countries that has increased its forest cover over the past several years, so it plays a unique and important role in global discussions on the importance of forests in combating climate change, sustaining people’s livelihoods and safeguarding biodiversity. Vietnam is also one of five countries expected to be most affected by climate change, due to its long coastline and stretched natural resources.
CIFOR scientist Daniel Murdiyarso gave this presentation on the importance of mangroves for climate change mitigation and adaptation at a journalist training workshop on ‘Investing in coastal ecosystems’ held on 27–29 March 2012 in Da Nang City, Vietnam. Media plays a critical role in informing and influencing public perception, as well as informing policymakers. But aside from limited coverage, most environmental articles, and those on climate change and REDD in particular, are of low quality in Vietnam, most notably in objective reporting of scientific findings. To address these gaps and in response to requests, CIFOR organised a series of media trainings in Vietnam in association with Transparency International, IUCN, UN-REDD and the National Journalism Association.
This is a presentation from ITC Limited, Tribeni, one of the finalists at the 5th CII-GBC National Award for Excellence in Water Management in 2008
The awards are in 2 categories, Within the Fence for work done on minimizing the organisations water footprint, and Beyond the Fence for work done in the community around the industry.
This presentation was in the "Within the Fence" category.
We thank CII and the respective companies for giving us permission to upload these presentations on the India Water Portal website for dissemination to a wider audience.
Dr. Daniel Andersen - Getting the Most from Your ManureJohn Blue
Getting the Most from Your Manure - Dr. Daniel Andersen, Iowa State University, from the 2016 Missouri Pork Expo, February 9-10, 2016, Columbia, Missouri, USA.
More presentations at http://www.swinecast.com/2016-missouri-pork-expo
How Denmark is mitigating green house gases and increasing production in the agriculture sector? Presentation by Landbrug Fodevarer from Agriculture and Rural Development Day (ARDD) 2011. Learning Event number 12, Session 2, Room D. Climate change and agriculture - Danish results and initiatives.
Biological screening of herbal drugs: Introduction and Need for
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Natural Products, In vitro evaluation techniques for Antioxidants, Antimicrobial and Anticancer drugs. In vivo evaluation techniques
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Introduction to AI for Nonprofits with Tapp NetworkTechSoup
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Safalta Digital marketing institute in Noida, provide complete applications that encompass a huge range of virtual advertising and marketing additives, which includes search engine optimization, virtual communication advertising, pay-per-click on marketing, content material advertising, internet analytics, and greater. These university courses are designed for students who possess a comprehensive understanding of virtual marketing strategies and attributes.Safalta Digital Marketing Institute in Noida is a first choice for young individuals or students who are looking to start their careers in the field of digital advertising. The institute gives specialized courses designed and certification.
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June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
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Thinking of getting a dog? Be aware that breeds like Pit Bulls, Rottweilers, and German Shepherds can be loyal and dangerous. Proper training and socialization are crucial to preventing aggressive behaviors. Ensure safety by understanding their needs and always supervising interactions. Stay safe, and enjoy your furry friends!
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Farming systems to minimise GFG emissions: interactions and tradeoffs moving from paddocks to whole farms. Robyn Dynes
1. Farming systems to minimise GHG
emissions: interactions and tradeoffs
moving from paddocks to whole farms
Robyn Dynes
2. LAND-BASED INDUSTRIES
• Export earnings
• $25b
• Employment
• 156 000 people in Ag, forestry & Fishing
• 75 000 in food & beverage manufacture ?
• food exports to world
• NZ feeds 17 million people
[Source: INFOS series http://www.stats.govt.nz/products-and-services/infos/ AgResearch
analysis. http://www.stats.govt.nz/analytical-reports/labour-market-statistics-2008.htm
Food export: AgResearch analysis from: MAF SONZAF (2008), ibid year to 31
March 2008
3. WHY IS NEW ZEALAND SO INTERESTED IN
AGRICULTURAL GHG?
Agriculture responsible for:
• 48% of NZ emissions
• 52% of NZ total merchandise exports
NZ produces:
• 40% of world’s tradable dairy products
• 66% of tradable lamb products
Developed & developing country problem
7. THE CHALLENGE OF AGRICULTURAL
NON-CO2 EMISSIONS
CH4 & N2O
Emissions vary over time –hourly, daily, weekly, monthly & annually
Emissions vary in space – patch, paddock, farm & region
Multiple influences on emissions – environmental, physical, biological
Complex problem and not all processes influencing emissions are fully
understood
Mitigating emissions from grazing animals particularly challenging
8. NITROUS OXIDE MANAGEMENT IN NZ
PASTORAL AGRICULTURE
is the management of urine patches - not fertiliser
• N in a urine patch - 30 x typical fertiliser application
9. N deficient
- pasture N removed to the urine patch,
soil OM and legumes supply N
gaseous
losses
N excess
- urine patch, 500-1000 kg N
/ha, source of most leaching
and gaseous losses
leaching
10. NITRIFICATION INHIBITORS TO
CONTROL N LEACHING (?)
Dicyandiamide (DCD) inhibits nitrification and so N remains as NH4+,
adsorbed to the soil, 60-70% less leaching
more N retained in the system → more growth
→ more grazing → more urine patches → potential leaching
→ more litter return to soil → higher soil OM → less N deficient between
patches → more growth → …
→ higher soil C:N → less immobilisation → more pot. leaching
what are the likely long term effects?
11. Total annual NO3--N leached from lysimeters containing a lismore soil with urea applied
at 200 kg N / ha and urine applied at 1000 kg N / ha (Di & Cameron, 2002)
600
516
500
Nitrate-N leached (kg N / ha . yr)
397 Smaller
400
reduction in
Large leaching
300 reduction in
leaching 230
200
128
100
0
Urea + Urine Urea + Urine Urea + Urine (Spring)Urea + Urine (Spring)
(Autumn) (Autumn) + DCD + DCD
12. DCD TO CONTROL N LEACHING (?)
0
Paddock level
% reduction in N leaching
20 (modelled)
40
paddock-level (inferred from the patch experiments)
60
? ? ? ? ? ? ? ? ? ? ? ?
patch-level experiments
80
0 5 10 15 20
Year
13. HILL COUNTRY SHEEP + BEEF : KING COUNTRY
• breeding ewes
• breeding cows 800ha
• friesian bulls
• trading cattle
14. GHG Emissions EFS
t CO2-e/ha kg CO2- $/ha
e/kgCWE
Current 4.91 14.3 313
+ Breeding ewes 4.98 14.4 339
- Breeding cows
15. GHG Emissions EFS
t CO2-e/ha kg CO2- $/ha
e/kgCWE
Current 4.91 14.3 313
+ Breeding ewes 4.98 14.4 339
- Breeding cows
16. GHG Emissions EFS
t CO2-e/ha kg CO2-e/kgCWE $/ha
Current 4.91 14.3 313
+ Breeding ewes
4.98 14.4 339
- Breeding cows
17. SUMMARY
• Some experimental data available at some scales
• Conceptually scaling in time and space has the potential to
affect outcomes at a systems level.
• Nitrification inhibitors: biophysical example of issues with scaling
• Farming enterprise changes– if considered independently do not
match the systems behaviour
18. ROUTES FOR GHG MITIGATION
Short term Medium term Long term
Reduce animal numbers1 Nitrification inhibitors1 Increase efficiency of N
Manipulate diet utilisation by ruminants1
Improved plant germplasm
Cattle winter management Targeted manipulation of
soil microbial processes1
Soil management
Type, quantity & timing of
N fertiliser applications
Nitrification inhibitors1
Short term Medium term Long term
Reduce animal numbers1 Rumen modifiers Targeted manipulation of
rumen ecosystem1
Manipulate diet Plants with low CH4 yield
Breed animals with low
Increase productivity per CH4 yield1
animal2
20. ROUTES FOR CH4 MITIGATION
Short term Medium term Long term
Reduce animal Rumen modifiers Targeted manipulation
numbers1 of rumen ecosystem1
Plants with low CH4 yield
Manipulate diet Breed animals with low
CH4 yield1
Increase productivity per
animal2
1 Options with high mitigation potential
2 Reduces CH4/kg product, increases emission/animal
21.
22. • opportunity with risk from climate and market
20
Intensity of emissions kg CO2-e/kgCWE
18
16
14
12
10
8
6
100 150 200 250 300 350 400
EFS $/ha
Series1
23. Methane (CH4) Nitrous Oxide Combined
(N2O)
Whole-Farm emissions from 700 ha 2,384 1,055 3,439
(tonnes CO2-e)
Per Hectare Emissions 3.405 1.508 4.913
(tonnes CO2-e per ha)
Emission intensity (kg CO2-e per kg of meat & fibre) 9.9 4.4 14.3
Calculated using Overseer® ver. 5.4.3.0
[1]
[2]
Meat & fibre production is expressed as carcass weight equivalents. All sheep meat and beef production is converted to carcass weight units. Scoured wool weight is
converted to carcass weight on a 1:1 basis.
24. Scenario Whole-Farm emissions from 700 ha Per Hectare Emissions Emission intensity
(tonnes CO2-e) (tonnes CO2-e per ha) (kg CO2-e per kg of meat &
fibre)
CH4 N2O Total
Baseline 2,384 1,055 3,439 4.91 14.3
Nitrification inhibitor 2,384 1,022 3,406 4.86 14.1
More ewes- less cows 2,472 967 3,439 4.91 14.4
Changing flock age structure 2,454 956 3,410 4.87 14.5
Replacing the breeding herd 2,683 1,048 3,731 5.33 14.5
Once-bred heifers 2,120 848 2,968 4.24 16.6
Deer breeding and finishing 2,326 921 3,247 4.64 17.7
Summer fallow 10% 2,218 867 3,085 4.41 12.9
Year-1990 performance based
on 450 ha pastoral 1,839 718 2,557 5.68 17.8
25. Methane (CH4) Nitrous Oxide Combined
(N2O)
Whole-Farm emissions from 700 ha 2,384 1,055 3,439
(tonnes CO2-e)
Per Hectare Emissions 3.405 1.508 4.913
(tonnes CO2-e per ha)
Emission intensity (kg CO2-e per kg of meat & fibre) 9.9 4.4 14.3
Calculated using Overseer® ver. 5.4.3.0
[1]
[2]
Meat & fibre production is expressed as carcass weight equivalents. All sheep meat and beef production is converted to carcass weight units. Scoured wool weight is
converted to carcass weight on a 1:1 basis.
26. Scenario Whole-Farm emissions from 700 ha Per Hectare Emissions Emission intensity
(tonnes CO2-e) (tonnes CO2-e per ha) (kg CO2-e per kg of meat &
fibre)
CH4 N2O Total
Baseline 2,384 1,055 3,439 4.91 14.3
Nitrification inhibitor 2,384 1,022 3,406 4.86 14.1
More ewes- less cows 2,472 967 3,439 4.91 14.4
Changing flock age structure 2,454 956 3,410 4.87 14.5
Replacing the breeding herd 2,683 1,048 3,731 5.33 14.5
Once-bred heifers 2,120 848 2,968 4.24 16.6
Deer breeding and finishing 2,326 921 3,247 4.64 17.7
Summer fallow 10% 2,218 867 3,085 4.41 12.9
Year-1990 performance based
on 450 ha pastoral 1,839 718 2,557 5.68 17.8
27. Methane (CH4) Nitrous Oxide (N2O) Combined
Whole-Farm emissions (tonnes CO2-e) NA NA NA
Per hectare emissions 7.5 4.6 13.5
(tonnes CO2-e per ha)
Emission intensity (kg CO2-e per kg of Milk Solids) 9.9
28. GHG CH4 N2O Emissions Emission cost Emission cost
N leaching emissions emissions emissions intensity no off-set 90% off-set
Scenario description kg N/ha t CO2 eq/ha t CO2 eq/ha t CO2 eq/ha * $/ha** $/ha**
Base 45 13.5 7.5 4.6 9.9 338 33.84
Half N 30 11.8 6.9 3.7 9.3 295 29.47
High BW cows, lower SR 42 13.0 7.1 4.4 9.4 326 32.57
Base + DCD 39 13.4 7.7 4.1 9.3 334 33.40
High BW cows, lower SR + DCD 38 12.9 7.4 4.0 8.8 323 32.32
* = kg CO2 equivalents / kg ms
** At $25/t CO2 -equivalents
29. Intensity of emissions kg CO2-e/kg MS
14
13
12
11
10
9
8
7
6
2000 2200 2400 2600 2800 3000 3200
EFS $/ha
30. Intensification increases total GHG production
6
5.68
Total GHG emissions t CO2-e/ha
5.5 5.33
4.91 4.98
5
4.5 4.41
4
3.5
3
Current 1990 + ewes + trade
More ewes- More trading Summer
- less cows
cows cattle
cattle fallow
36. 13.5
13.1
13
Total GHG emissions t CO2-e/ha
12.7
12.6
12.5
12
11.5 11.3
11
10.5
10
Current 50% less N fert Hi BW low SR Hi BW low SR +
DCD
37. 13.5
13.1
13
Total GHG emissions t CO2-e/ha
12.7
12.6
12.5
12
11.5 11.3
11
10.5
10
Current 50% less N fert Hi BW low SR Hi BW low SR +
DCD
38. 10 9.9
Intensity of emissions kg CO2-e/kg MS
9.8
9.6
9.6
9.4 9.3
9.2
9
9
8.8
8.6
8.4
Current 50% less N fert Hi BW low SR Hi BW low SR +
DCD
39. 3500
3023 3047
3000 2759
2500 2432
EFS $/ha
2000
1500
1000
500
0
Current 50% less N fert Hi BW low SR Hi BW low SR +
DCD
40. Win-Win??
• can change both intensity and total emissions
• depends on current GHG emission efficiency
Sheep + Beef Dairy
• total pasture production • cow stocking rate
• seasonal pasture production • genetic merit
• feed utilisation • feed utilisation
• nutrients, temp, rainfall • imported feed
• Willingness and ability to change system
Editor's Notes
Our land based industries are key to NZ economy, With @25 billion in export earningsDirectly employing more than 230 000 people in NZAnd producing enough food to feed 17 million people.
All sectors all gasesAgriculture has few choices but other sectors do have choices.
The challenges facing As the face of NZ pastoral livestock systems continue to change, dryland systems of canterbury plains are transforming from about 8 tonne of dry matter production per hectare
Relatively efficientspray irrigation
Finish: need to understand the implications of GHG at farm systems level recognising adaptation within systems means start and later emissions are likely to change.Measurements of GHG emissions are at single animal and point source scale. Currently we use a series of assumptions of how the individual animals and point sources interact within a system to get systems emissions per hectare and per unit of product. Our understanding of mechanisms underpinning behavour within a system is variable.A good example of this is nitrous oxide.
Information: managing urine patches not the fertiliser or the slow inputs through N fixationfrom legumes. Direct nitrous oxide from fertiliser application is already reasonable well understood by farmers motivated by the cost of N fertiliser to get the placement and timing of fertappication optimised. With urine patches we have very high instanteous application of the urine to pasture which drives the nitrous oxide losses
So where have urine patch most of the mineral nitrogen is so most of nitrous oxide emission occurs and leaching losses. Mitigations need to be effective in urine patch area. There are also issues of time and space. The urine patches will represent the last grazing but also previous grazing while these spaces between urine patches are likely to have urine patches in the future.
Farmer selected increasing ewe numbers and decreasing breeding cow numbers – why?Cows are lest efficient red meat producers in these businesses, weaning around 80% But: important in recovering pasture quality when feed out of control and in management of woody weeds.
Of these options for mitigating nitrous oxide and methane –Because of space and time scales involved modelling the only solution to scale up to whole farm system and long term impacts and opportunities how many do we have the issues that we have just seen in the two examples.??What are the challenges in scaling to farm systems level:Interactions of enterprisesDo we know how the mitigation components operate at biophysical leve.Do we have the tools required - are they up for the job.