research: Sustainable agrifood systems

Grace Mwai

Written by Sarah McLaughlin on January 31, 2023. Posted in Uncategorized.

Grace Mwai is an innovative and strategic leader with more than 18 years of progressive leadership experience in international development programs. She has spearhead implementation projects of US$23M-$320M funding, while leading teams across 19 countries with more than 14 international and bilateral donors. Mwai holds a Doctor of Business Administration, Masters of Science in Organization Development, Masters of Business Administration, and is a Certified Public Accountant and Corporate Governance Trainer.

She has a keen ability to identify inefficiencies and create sustainable systems enabling consistent, on-time completion, regardless of project complexity. Her lived experience on both sides of the donor and recipient dividing lines affords her a nuanced understanding of stakeholder needs and the intricacies of donor requirements.

More than a drop in the bucket: addressing food security in Nepal through improved sustainable irrigation

Written by Nur-A-Mahajabin Khan on January 26, 2023. Posted in Features.

Agriculture is always impacted by war. However, Russia’s war in Ukraine, fought between two major agricultural producers in an era of globalized markets, poses unprecedented implications for global agriculture and food security. Russia and Ukraine are significant exporters of maize, wheat, fertilizers, edible oils and crude oil. These exports have been compromised by the war, with the greatest impact being on poor and low-income countries that rely most on food imports. Partly because of the Ukraine-Russia conflict and partly due to the decline in agricultural production caused by the climate emergency, food prices have increased between 9.5 and 10.5 percent over the past ten years.

Nepal, where one in four families is impoverished, is an example of a low-income country impacted by the war’s disruption of trade in agricultural goods and inputs. Although wheat, maize and rice are staples, vegetables are also important for nutrition and income, and Nepal imports fuel and fertilizer for their domestic production. Uncertainty in global supply chains, combined with the Nepali rupee’s significant depreciation against the US dollar, has resulted in a 500% increase in the cost of diesel since 2012.

Irrigation to boost homegrown production

Land irrigation is crucial to crop growth and to the capacity of famers to withstand the effects of the climate emergency and economic shock. However, the majority of Nepal’s groundwater resources are underutilized, leaving ample room for increasing climate-resilient agricultural production capable of withstanding an increasing number of drought events. With the right kind of management of its groundwater, Nepal can increase its domestic output, and bolster smallholder resilience and food security in times of economic and climate crisis.

As part of the first prong of this approach, the Cereal Systems Initiative for South Asia (CSISA) advises farmers (particularly women), governments and donors on the targeted support available to enable them to access existing low-cost and fuel-efficient engineering solutions. These solutions can contribute to the immediate goals of increasing agricultural productivity, intensifying groundwater irrigation and improving rural livelihoods. CSISA informs small producers about ways to access irrigation and develop water entrepreneurship. It also and empowers farmers, especially women, to improve service provision and gain access to services and irrigation pumps, including through access to finance.

Policymakers, businesses, researchers and farmers (especially women, youth and marginalized groups) will collaborate to co-create business models for sustainable and inclusive irrigation with development partners and Nepali public and private sector actors. While there are more than one million wells and pumps in Nepal, many of these are not used efficiently, and social barriers often preclude farmers from accessing services such as pump rentals when they need them. To address these constraints and support private investment in irrigation and water entrepreneurship models, CSISA will work with existing infrastructure investment programs and local stakeholders to build a dynamic and more inclusive irrigation sector over the course of the next year, positively impacting a projected 20,000 small farming households.

At the macro-level, these water entrepreneurship models will respond to prioritized irrigation scaling opportunities, while at the farm level they will respond to irrigation application scheduling advisories. CSISA will also create policy brief documents, in the form of an improved farm management advisory, to be distributed widely among partners and disseminated among farmers to support increases in production and resilience. CSISA’s sustainable and inclusive irrigation framework guides its crisis response.

Scaling digital groundwater monitoring to support adaptive water management

In growing resilience-building irrigation investments, there is always a risk of groundwater depletion, which means that accurate and efficient groundwater data collection is vital. However, Nepal doesn’t currently have a data or governance system for monitoring the impact of irrigation on groundwater resources.

To tackle the need for low-cost, context-specific data systems which improve groundwater data collection, as well as mechanisms for the translation of data into actionable information, and in response to farmer, cooperative and government agency stakeholder demands, the Government of Nepal Groundwater Resources Development Board (GWRDB) and CSISA have co-developed and piloted a digital groundwater monitoring system for Nepal.

In a recent ministerial level workshop, GWRDB executive director Bishnu Belbase said, “CSISA support for groundwater monitoring as well as the ongoing support for boosting sustainable and inclusive investments in groundwater irrigation are cornerstone to the country’s development efforts.”

A pilot study conducted jointly by the two organizations in 2021 identified several options for upgrading groundwater monitoring systems. Three approaches were piloted, and a phone-based monitoring system with a dashboard was evaluated and endorsed as the best fit for Nepal. To ensure the sustainability of the national response to the production crisis, the project will extend government monitoring to cover at least five Tarai districts within the Feed the Future Zone of Influence, collecting data on a total of 100 wells and conducting an assessment of potential network expansion in Nepal’s broad, inner-Tarai valleys and Mid-Hills regions. The goal is to utilize this data to strengthen the Feed the Future Zone of Influence in Nepal by increasing GWRDB’s capability to monitor groundwater in five districts.

Ensuring food security

These activities will be continued for next two years. During that time CSISA will increase GWRDB’s capacity to monitor groundwater and apply this to five districts in Nepal’s Feed the Future Zone of Influence, using an enhanced monitoring system which will assist planners and decision-makers in developing groundwater management plans. As a result, CSISA expects to support at least 20,000 farming households in gaining better irrigation access to achieve high yields and climate-resilient production, with 40 percent of them being women, youth and/or marginalized groups. This access will be made possible through the involvement of the private sector, as CSISA will develop at least two promising business models for sustainable and inclusive irrigation. Finally, through this activity government and private sector stakeholders in Western Nepal will have increased their capacity for inclusive irrigation and agricultural value chain development.

CSISA’s Ukraine Response Activities towards boosting sustainable and inclusive irrigation not only respond to crucial issues and challenges in Nepal, but will also contribute to the regional knowledge base for irrigation investments. Many regions in South Asia face similar challenges and the experience gained from this investment in Nepal will be applicable across the region. Given the importance of of groundwater resources for new farming systems and food system transformation, the project is mapped to Transforming Agrifood Systems in South Asia (TAFSSA), the One CGIAR regional integrated initiative for South Asia, that will act as a scaling platform for sharing lessons learned and coordinating with stakeholder regionally towards more sustainable groundwater management and irrigation investments.

Cover photo: Ram Bahadur Thapa managing water in his paddy field in Dailekh district of Nepal. (Photo: Nabin Baral)

Adapting growing seasons to climate change can boost yields of world’s staple crops

Written by Alison Doody on January 24, 2023. Posted in Publications.

Rising global temperatures due to climate change are changing the growth cycles of crops worldwide. Recent records from Europe show that wild and cultivated plants are growing earlier and faster due to increased temperatures.

Farmers also influence the timing of crops and tend to grow their crops when weather conditions are more favorable. With these periods shifting due to climate change, sowing calendars are changing over time.

Over thousands of years of domesticating and then breeding crops, humans have also managed to artificially change how crop varieties respond to both temperature and day length, and in turn have been able to expand the area where crop species can be grown. Farmers can now choose varieties that mature at different rates and adapt them to their environment.

Including farmers’ decisions on when to grow crops and which varieties to cultivate are vital ingredients for understanding how climate change is impacting staple crops around the world and how adaptation might offset the negative effects.

In a ground-breaking study, a team of researchers from the Potsdam Institute for Climate Impact Research (PIK), the Technical University of Munich and the International Maize and Wheat Improvement Center (CIMMYT) investigated how farmers’ management decisions affect estimates of future global crop yields under climate change.

“For long time, the parametrization of global crop models regarding crop timing and phenology has been a challenge,” said Sara Minoli, first author of the study. “The publication of global calendars of sowing and harvest have allowed advancements in global-scale crop model and more accurate yield simulations, yet there is a knowledge gap on how crop calendars could evolve under climate change. If we want to study the future of agricultural production, we need models that can simulate not only crop growth, but also farmers’ management decisions.”

Using computer simulations and process-based models, the team projected the sowing and maturity calendars for five staple crops, maize, wheat, rice, sorghum and soybean, adapted to a historical climate period (1986–2005) and two future periods (2060–2079 and 2080–2099). The team then compared the crop growing periods and their corresponding yields under three scenarios: no adaptation, where farmers continue with historical sowing dates and varieties; timely adaptation, where farmers adapt sowing dates and varieties in response to changing climate; and delayed adaptation, where farmers delay changing their sowing dates and varieties by 20 years.

The results of the study, published last year in Nature Communications, revealed that sowing dates driven by temperature will have larger shifts than those driven by precipitation. The researchers found that adaptation could increase crop yields by 12 percent, compared to non-adaptation, with maize and rice showing the highest potential for increased crop yields at 17 percent. This in turn would reduce the negative impacts of climate change and increase the fertilization effect of increased levels of carbon dioxide (CO₂) in the atmosphere.

They also found that later-maturing crop varieties will be needed in the future, especially at higher latitudes.

“Our findings indicate that there is space for maintaining and increasing crop productivity, even under the threat of climate change. Unfortunately, shifting sowing dates – a very low-cost measure – is not sufficient, and needs to be complemented by the adaptation of the entire cropping cycle through the use of different cultivars,” said Minoli.

Another important aspect of this study, according to Anton Urfels, CIMMYT systems agronomist and co-author of the study, is that it bridges the GxMxE (Gene-Management-Environment) spectrum by using crop simulations as an interdisciplinary tool to evaluate complex interactions across scientific domains.

“Although the modeled crops do not represent real cultivars, the results provide information for breeders regarding crop growth durations (i.e. the need for longer duration varieties) needed in the future as well as agronomic information regarding planting and harvesting times across key global climatic regimes. More such interdisciplinary studies will be needed to address the complex challenges we face for transitioning our food systems to more sustainable and resilient ones,” said Urfels.

Read the study: Global crop yields can be lifted by timely adaptation of growing periods to climate change

Cover photo: Work underway at the International Maize and Wheat Improvement Center in Zimbabwe (CIMMYT), is seeking to ensure the widespread hunger in the country caused by the 2015/6 drought is not repeated, by breeding a heat and drought tolerant maize variety that can still grow in extreme temperatures. CIMMYT maize breeders used climate models from the CGIAR Research Program on Climate Change, Agriculture and Food Security (CCAFS) to inform breeding decisions. (Photo: L. Sharma/Marchmont Communications)

Digital Press Briefing with U.S. Special Envoy for Global Food Security Dr. Cary Fowler, and USAID Global Food Crisis Coordinator Dina Esposito

Written by Sarah McLaughlin on January 23, 2023. Posted in In the media.

Cary Fowler, Special Envoy for Global Food Security, and Dina Esposito, the United States Agency for International Development (USAID) Global Food Crisis Coordinator, discussed the US strategy for addressing the global food security crisis and their ongoing visit to Malawi and Zambia at a digital press briefing on January 19.

“We’ve recently supported a new project which will be operating in a number of countries, including Zambia and Malawi, that will be coordinated by the International Maize and Wheat Improvement Center, and by the International Institute of Tropical Agriculture,” said Fowler.

“They’ll be establishing innovation hubs where they’ll bring together the best and most appropriate technologies and information to help small-scale farmers with a whole variety of issues that they confront. This will give the farmers access, for example in Zambia, to drought-tolerant maize, which they’re really clamoring for. This is maize which, on a year-in and year-out basis, on average will yield about 30 percent more, rotated with legumes, which provide protein and also enrich the soil and reduce the need for fertilizer. But also other technologies and assistance in establishing markets for those products and lengthening out the value chain so that farmers are not just – and small businesses are not just dealing with raw commodities but are taking those commodities and making something more valuable and more useful to a broader population.”

Read the original article: Digital Press Briefing with U.S. Special Envoy for Global Food Security Dr. Cary Fowler, and USAID Global Food Crisis Coordinator Dina Esposito

‘Farmers now more aware about climate resilient agri’

Written by Sarah McLaughlin on January 23, 2023. Posted in In the media.

A workshop in New Delhi on the Climate Resilient Agriculture (CRA) programme explored solar harvesting, carbon credit, crop residue management, climate resilient cultivars, millets and pulses in cropping systems, and maize drying and processing.

Arun Kumar Joshi from the Borlaug Institute for South Asia (BISA) highlighted the potential of the programme if more farmers embrace CRA technology.

New technologies and innovations are essential in helping farmers adapt to changing climate conditions and reduce reliance on greenhouse gases (GHG).

Read the original article: ‘Farmers now more aware about climate resilient agri’

Mekides Woldegiorgis Gardi

Written by Sarah McLaughlin on January 20, 2023. Posted in Uncategorized.

Mekides Woldegiorgis Gardi is a Post-Doctoral Fellow (System Agronomist – Crop Modelling) in the Sustainable Agrifood Systems (SAS) program in Ethiopia.