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Wicked Solutions to Climate Smart Agriculture


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Presentation made by Andy Jarvis, CCAFS Theme Leader, in the Davis meeting on Climate Smart Agriculture on March 21st 2013.

Presentation made by Andy Jarvis, CCAFS Theme Leader, in the Davis meeting on Climate Smart Agriculture on March 21st 2013.

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  • Nos encontramos con el modelo de los cuatro países y se asigna el resultado (en este caso las diferencias entre la producciones actuales y futuras (2020) la producción de frijol) para Centroamérica.Como podemos ver, hay zonas donde la producción se reducirá drásticamente, mientras que otros están mejorando su potencial de producción. Los cambios ya descritos en las condiciones del clima y sus interacciones con las condiciones de ubicación específica determinaran  la producción del cultivo. El estrés por calor, la sequía y las altas temperaturas en noche son los principales culpables de estos resultados. Esto es ampliamente sostenido por evidencia científica. Algunas de las conclusiones generales son:Frijol:Temperaturas> 28/18  C (día / noche) decrecimiento en la producción de biomasa, seed-set, el numero y tamaño de las semillas (menos vainas por planta, menos semillas por vaina, peso menor en las semillas)Niveles elevados de CO2 también decrece seed-setNiveles elevados de CO2 aumentaron la biomasa, pero los beneficios de los niveles elevados de CO2 disminuye con aumento de las temperaturas maíz:La tensión alta temperatura disminuye la polinización y la producción de semillas de maíz, causada principalmente por la disminución en la viabilidad del polen y receptividad del estigmaLa tensión alta temperatura disminuye la semilla-set y los números del núcleo por planta.La tensión alta temperatura también afecta negativamente la calidad del núcleo y la densidad (proteínas, enzimas)Etapas reproductivas (el desarrollo del polen, floración, llenado de los granos antes de tiempo) son relativamente más sensibles a la sequía, la sequía disminuye el número y el peso seco del núcleo. El maíz necesita 50% del agua en el período de10 días antes y 20 días después de la floración inicial. A pesar de subrayar lo suficiente la temperatura del agua afecta el desarrollo del polen.El estrés hídrico reduce el número y tamaño de granos.Las temperaturas más altas en la noche significa mayores pérdidas de la respiración por lo tanto la pérdidas de biomasa y de rendimiento.Con los resultados DSSAT ahora podemos identificar los diferentes tipos de ámbitos de intervención en la región (siguiente diapositiva)  
  • The use of climate analogues for locating future climates today can ground models in field-based realities, significantly enhancing our knowledge of adaptation capacity and supporting the identification of appropriate interventions.Building and testing a methodology to study farmer’s social, cultural and gender specific barriers for enabling behavioral change and improve adaptive capacity.
  • African pilots …Selection of a set of analogue villages to visit on the way to Mbinga
  • Analogue tourParticipatory videos
  • nwcrpIntroduced a new cropnwvarIntroduced a new variety of cropshcyIntroduced a short cycle varietylgcyIntroduced a long cycle varietydrtlIntroduced a drought tolerant varietyfdtlIntroduced a flood tolerant varietydstlIntroduced a disease tolerant varietypsrsIntroduced a pest resistant varietyexarExpanded cropping areardarReduced cropping areastirStarted irrigationspbrStopped burningincrIntroduced intercroppingcrcvIntroduced cover cropsmcctIntroduced micro-catchmentsbundIntroduced bunds / ridgesmulcIntroduced mulchingterrIntroduced terracesstlnIntroduced stone lininghedgIntroduced hedgesctplIntroduced contour ploughingrotaIntroduced crop rotationelppIntroduced early land preparationelptIntroduced early plantingltptIntroduced late plantingmnftStarted using or increased use of mineral fertilizermncpStarted using or increased use of mineral fertilizerumphStarted using pesticides / herbicidesumipIntroduced integrated pest managementumcmIntroduced integrated crop management
  • Scaling up climate-smart agriculture: investment needs from innovation to implementation at scale. The set of sustainable agricultural practices that can improve adaptation, mitigation and livelihoods is highly diverse, varying by region and farming system. Many such practices are already well-known and others are yet to be invented or brought into general awareness. The process by which sustainable agricultural practices are taken up in specific farm regions and commodity sectors will be idiosyncratic, controlled by factors such as type and level of investment, availability of relevant knowledge and infrastructure, and the institutional and policy context. The type and amount of public and private sector investment varies country to country although, in general, investment in agriculture is low in low-income countries and higher in wealthier countries (where selection of agricultural practices is driven by a complex mixture of policy and market signals). The role of farmers’ organizations and agribusinesses is also highly variable by country and region. This schematic depicts the general sequence of investments, transitions and outcomes on the path to widespread adoption of agriculture practices that achieve adaptation, mitigation and livelihood objectives. Each phase in this general sequence has distinct incentives, knowledge requirements, risk tolerances, success metrics and expectations about return on investment. The purpose of this conceptual framework is to challenge funders, researchers, practitioners and other actors to clearly understand the precursors, partnerships and institutions required for investments to result in broad uptake of sustainable practices. It can also be used by those currently operating in one or more of these phases to clarify their role, objectives, progress and likely outcomes. Major phases include: (1) Innovation / identification of sustainable practices through adaptive farmer-driven research designed to achieve robust understanding of biophysical and socio-economic dynamics and outcomes relevant to incomes and environmental services. (2) Pre-investment (eg, climate finance, agricultural development funds) focused on ”real world” testing and operationalizing of sustainable practices through public-private partnerships designed to understand risks (eg, ROI lag time), barriers (eg, land tenure, subsidies) and necessary institutions (eg, managing financial flows, Extension) and infrastructure (eg, seed systems, monitoring). (3) Implementation of sustainable agricultural practices at scale, based on robust ROI, and establishment of public and private sector institutions to build capacity (eg, local farm associations and agribusinesses), provide oversight (eg, quality control for implementation and financing) and manage risk (eg, insurance or safety net programs), coupled with harmonization of the policy context (eg, re-orientation of subsidy programs). To meet urgent new challenges, stronger institutional mechanisms are needed (eg, to mitigate risks associated with innovation) and the research enterprise must evolve much more rapidly and develop better connectivity across research institutions, Extension and farmers (eg, through mandates for farmer-oriented research).
  • Transcript

    • 1. Led byEvaluation approaches and tools for assessingagricultural vulnerability/resilience to climatechange in regional contexts (assessments,multi-scale models, place-based analysis withstakeholders)Andy JarvisTheme Leader, Adapting to Progressive ClimateChange 1
    • 2. Led byA wicked problem 2
    • 3. Led byLandscape-scale research on foodsecurity, natural resources, policy andgovernance to achieve agriculturalresilience to climate change. Talk about a wicked scale! 3
    • 4. Led byEvaluation approaches and tools forassessing agricultural vulnerability/resilienceto climate change in regional contexts(assessments, multi-scale models, place-based analysis with stakeholders)…a particularly malicious title 4
    • 5. Led byI’m not a wicked scientist… 5
    • 6. Led by Let’s talk about Wicked Solutionswick·ed (w k d)adj. wick·ed·er, wick·ed·est1. Evil by nature and in practice: "this wicked man Hitler, the repository andembodiment of many forms of soul-destroying hatred"(Winston S. Churchill).2. Playfully malicious or mischievous: a wicked prank; a critics wicked wit.3. Severe and distressing: a wicked cough; a wicked gash; wicked drivingconditions.4. Highly offensive; obnoxious: a wicked stench.5. Slang Strikingly good, effective, or skillful 6
    • 7. Led byWhat do we know? 7
    • 8. Leb Led by Lushoto (Tanzania)100908070605040302010 0 1 January 2013 8
    • 9. Led byLushoto (Tanzania)Weather reasons for adapting Changes in land use and crop management a) More erratic rainfall - introduction of new, higher yielding crop varieties of maize, beans b) ↘ overall rainfall (88%) and tomatoes c) ↗ amount of rainfall (39%) d) more frequent droughts (71%) - switching to disease resistant varieties of cassava, bananas and e) earlier start of the rains 77%) maize f) Later start of rains (65%)Drivers• Availability of high yielding varietiesmore resistant to pest and diseases• More profitable market prices.• Less productive land 9
    • 10. Leb Led byWeather related reasons for Δ Crop/ mngt change↘ overall rainfall (88%)  Adoption of shorter cycle and drought tolerant crop↗ erratic rainfall (75%) varieties↗ frequent droughts (71%)Earlier start of the rains (77%)  Planting earlier (maize)  Switching to disease resistant varieties (maize cassava, bananas)Later start of rains (65%)  Planting crops later (beans and cassava)↗ overall rain (39%)  Maize, beans and tree based crops (peaches, apples and coffee) planted years to utilize the increased moisture 1 January 2013 10
    • 11. Led byOverall, men and women tend to report thatthey themselves do most of the tasks Gender Division of Labor Women’s Reporting Men’s Reporting Men Women Boys GirlsExamples: Spraying was reported as a men’s task, and Weeding mainly as a women’s task 11
    • 12. Led byDecision-MakingAcross all 4 sites: Women report that men make most decisions Men report more decisions are taken jointly Women’s Reporting Men’s Reporting Men Women Together Example: Nyando, Kenya 12
    • 13. Led byLet’s ask the scientist?What happens to staples in Africa? 13
    • 14. Led byImpacts on staples in SSA Crops affected differently. Regional differences in impacts. We have uncertainty. 14
    • 15. Led byCassava gainingwhile other fail 15
    • 16. Led byCassava’s role as asubstitution cropCassava as a fallback crop under an uncertainclimate (risk management)Cassava as the substitution crop for other staplesmore sensitive to heat and droughtWhat are the socio-cultural constraints to a shift instaple, and how can this shift be most effectivelymade? 16
    • 17. Led byIf I were a policy maker or decisionmaker…………I’d be confused 17
    • 18. Led byWicked solutions across scales and disciplines• Global and regional scale problem diagnosis feeding into local and national lead solutions• Some examples: • Vulnerability assessment identifying entry points • Local learning processes • Towards better national level plans and strategies 18
    • 19. Adaptation entry points in maize- Led bybean systems 19
    • 20. Farms of the future Led by The Concept Three ongoing pilots 20
    • 21. Yamba analogue map + Study Tour Itinerary + Activities - Zoom Farms of the future Led by Taking theto Yamba’sconcept tofutures Journey analogue plausible the field Lushoto CCAFS siteTanzania Morogoro -Weather sttin visit Mwitikilwa - Bean trial visit - Tree nursery visit Njombe Nyombo Mbinga 21
    • 22. Farms of in Tanzania FOTF the future Led by Journey to Yamba’s plausible futuresAnalogue study TourVillages visited Starting point Lushoto Mbuzii Yamba Kinole Morogoro Mwitikilwa-Market value chain social -Weather station visitenterprise visit - Bean trial visit- Input supply Stockists Njombe - Tree nursery visit Nyombo Sepukila Village: -Matengo pits: Traditional soil and water conservation technique -Coffee nursery -Stoves Masasi Village: -Water source Mbinga -Fish pond -Biogas Mtama Village: - Bee keeping 22
    • 23. Led by Persons and items distributionRash model (Campell, 1963): Attitude towards change = number + difficulty of change made 23
    • 24. Led byDeterminants of the degree of adaptation – Poissonregression model Variable Coefficient P-value Lnage -0.259 0.034** Help 0.281 0.019** Years of schooling 0.025 0.014** Ln total asset value 0.060 0.096* Government influence 0.364 0.002*** Less land productivity 0.164 0.060* Ability to hire farm labour 0.231 0.031** Constant 2.135 0.002*** Wald chi2(20)=104.63; p=0.000 Alpha = 0.12 N=131 Dependent variable = number of adaptation strategies undertaken 24
    • 25. Led byScalable climate smart technologies…. 25
    • 26. Led by 26
    • 27. Led byScalable climate smart technologies…. 27
    • 28. Led byA MAC style prioritisationframework for CSA? 28
    • 29. Led byUptake of sustainable agricultural practices Innovation / Pre-investment Implementation at Identification of (eg, development scale / practices funds, climate Establishment of finance) institutions Demonstration of financial / Policy shifts and large- commercial viability scale changes in and sustainability practices, livelihoods Demonstration of outcomes and environmental agro-economic and sustainability impacts potential Time 29
    • 30. Led by Wicked solutions across scales and disciplines• Local, landscape, national, regional and global scale – make sense of the trade-offs and drivers between these• Science stitching pieces together, without getting lost in the complexity –hopping between disciplines and scales• Plug scientific insights into the policy environment to achieve wide-scale climate smart agricultural adoption 30