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Theme: Nutrition, health and food security

As staple foods, maize and wheat provide vital nutrients and health benefits, making up close to two-thirds of the world’s food energy intake, and contributing 55 to 70 percent of the total calories in the diets of people living in developing countries, according to the U.N. Food and Agriculture Organization. CIMMYT scientists tackle food insecurity through improved nutrient-rich, high-yielding varieties and sustainable agronomic practices, ensuring that those who most depend on agriculture have enough to make a living and feed their families. The U.N. projects that the global population will increase to more than 9 billion people by 2050, which means that the successes and failures of wheat and maize farmers will continue to have a crucial impact on food security. Findings by the Intergovernmental Panel on Climate Change, which show heat waves could occur more often and mean global surface temperatures could rise by up to 5 degrees Celsius throughout the century, indicate that increasing yield alone will be insufficient to meet future demand for food.

Achieving widespread food and nutritional security for the world’s poorest people is more complex than simply boosting production. Biofortification of maize and wheat helps increase the vitamins and minerals in these key crops. CIMMYT helps families grow and eat provitamin A enriched maize, zinc-enhanced maize and wheat varieties, and quality protein maize. CIMMYT also works on improving food health and safety, by reducing mycotoxin levels in the global food chain. Mycotoxins are produced by fungi that colonize in food crops, and cause health problems or even death in humans or animals. Worldwide, CIMMYT helps train food processors to reduce fungal contamination in maize, and promotes affordable technologies and training to detect mycotoxins and reduce exposure.

New publications: Biofortification of maize with provitamin A can reduce aflatoxin load

Maize infected with the fungus Aspergillus flavus, causing ear rot and producing aflatoxins. (Photo: George Mahuku/CIMMYT)
Maize infected with the fungus Aspergillus flavus, causing ear rot and producing aflatoxins. (Photo: George Mahuku/CIMMYT)

New research evidence could have significant implications for breeding approaches to combat harmful aflatoxin contamination in maize while simultaneously contributing to alleviate vitamin A deficiency. The study “Provitamin A Carotenoids in Grain Reduce Aflatoxin Contamination of Maize While Combating Vitamin A Deficiency” is the first published report to document how biofortification with provitamin A can contribute to reduce aflatoxin contamination in maize.

Aflatoxins are harmful compounds that are produced by the fungus Aspergillus flavus, which can be found in the soil, plants and grain of a variety of legumes and cereals including maize. Toxic to humans and animals, aflatoxins are associated with liver and other types of cancer, as well as with weakened immune systems that result in increased burden of disease, micronutrient deficiencies, and stunting or underweight development in children.

Efforts to breed maize varieties with resistance to aflatoxin contamination have proven difficult and elusive. Contamination of maize grain and products with aflatoxin is especially prevalent in low- and middle-income countries where monitoring and safety standards are inconsistently implemented.

Biofortification also serves to address “hidden hunger,” or micronutrient deficiency. Over two billion people are affected globally — they consume a sufficient amount of calories but lack essential micronutrients such as vitamins and minerals. Vitamin A deficiency specifically compromises the health of millions of maize consumers around the world, including large parts of sub-Saharan Africa.

Provitamin A-enriched maize is developed by increasing the concentration of carotenoids — the precursors of vitamin A — and powerful antioxidants that play important roles in reducing the production of aflatoxin by the fungus Aspergillus flavus. The relative ease of breeding for increased concentrations of carotenoids as compared to breeding for aflatoxin resistance in maize make this finding especially significant as part of a solution to aflatoxin contamination problems.

Breeding of provitamin A-enriched maize varieties is ongoing at the International Maize and Wheat Improvement Center (CIMMYT) and the International Institute of Tropical Agriculture (IITA), with the support of HarvestPlus. Several varieties trialed in sub-Saharan Africa have demonstrated their potential to benefit vitamin-deficient maize consumers.

The researchers highlight the potential in breeding maize with enhanced levels of carotenoids to yield the dual health benefits of reduced aflatoxin concentration in maize and reduced rates of vitamin A deficiency. This result is especially significant for countries where the health burdens of exposure to aflatoxin and prevalence of vitamin A deficiency converge with high rates of maize consumption.

Read the full study here: https://www.frontiersin.org/articles/10.3389/fpls.2019.00030/full

Financial support for this study was partially provided by HarvestPlus, a global alliance of agriculture and nutrition research institutions working to increase the micronutrient density of staple food crops through biofortification. The views expressed do not necessarily reflect those of HarvestPlus. The CGIAR Research Program on Maize (MAIZE) also supported this research.

This research builds on the Ph.D. dissertation of Dr. Pattama Hannok at University of Wisconsin, Madison, WI, United States (Hannok, 2015).

Sustainable intensification practices build resilience in Bangladesh’s charlands

Anzuma Begam (left) and her husband, Hossain Ali, working together in their maize field.
Anzuma Begam (left) and her husband, Hossain Ali, working together in their maize field.

The charlands, island-like tracts of land arising from riverbeds as a result of erosion and accretion, are home to millions of Bangladesh’s most vulnerable people. The lives of these people, much like the land itself, are exposed to nature’s forces such as erosion and floods.

In Eachlirchar, an area of charland in Lakkhitari Union, Gangachara, Rangpur district, where the soil struggles to yield even rice, the fate of the marginalized char community is arbitrarily determined by the course of nature. However, mother of three Anzuma Begam is living proof of the resilience and socioeconomic development catalyzed by adopting conservation agriculture-based sustainable intensification technologies.

Promoted by the International Maize and Wheat Improvement Center (CIMMYT) through its Sustainable and Resilient Farming Systems Intensification (SRFSI) project, sustainable intensification technologies have been heralded as a major breakthrough in the fight against charland aridity since 2014. By reducing drudgery, irrigation and costs, conservation agriculture enables the soil of the charlands to produce rice and maize yields consecutively.

Given its eventual success, it is surprising that the first phase of CIMMYT’s work in Eachlirchar did not run according to plan, as the tobacco-producing community did not welcome new technologies. Begam’s husband, Hossain Ali, even rejected her initial proposal to participate in the SRFSI project’s introductory training on zero tillage, weed management and new seeds. However, in spite of her husband’s disapproval and defying patriarchal constraints, Begam stepped forward to accept the new agricultural technology.

Anzuma Begam’s husband takes pride in his wife's achievements.
Anzuma Begam’s husband takes pride in his wife’s achievements.

After engaging with the project, Begam decided apply conservation agriculture-based sustainable intensification practices on her small plot of land. She began to produce mechanically transplanted rice and strip-till maize. Her first harvest in 2015 deepened her understanding of the benefits of comparatively low utilization of irrigation, pesticides and labor.

Begam has since yielded a bumper maize crop using strip-till technology and her socioeconomic progress is an inspiration to her charland community. Even the floods of June 2017 failed take the smiles off her family’s faces and, in 2018, she and her family moved from a shack into a well-built tin-shaded house.

The profits from Begam’s higher yielding and more reliable maize and rice harvests have ensured access to proper education and food for her children, and her husband now helps cultivate their land using conservation agriculture technologies. “Anzuma did the right thing by not listening to my wrong decision back then in 2014,” he explains. “SRFSI showed her the right way to attain self-reliance through conservation agriculture technologies. I am proud of my wife.”

The Sustainable and Resilient Farming Systems Intensification (SRFSI) project is funded by the Australian Centre for International Agricultural Research (ACIAR).

Is a world without hunger possible, asks Germany’s minister Gerd MĂŒller during his visit to CIMMYT

CIMMYT staff welcome Minister MĂŒller and his team at the entrance of CIMMYT’s global headquarters in Mexico. (Photo: Alfonso CortĂ©s/CIMMYT)
CIMMYT staff and management welcome Minister MĂŒller (front row, fifth from left) and his team at the entrance of CIMMYT’s global headquarters in Mexico. (Photo: Alfonso CortĂ©s/CIMMYT)

On March 4, 2019, staff from the International Maize and Wheat Improvement Center (CIMMYT) welcomed Gerd MĂŒller, Germany’s Federal Minister of Economic Cooperation and Development (BMZ), for a short visit to CIMMYT’s global headquarters in Mexico. Before exploring the campus and sitting down to hear about CIMMYT’s latest innovations in maize and wheat research, Minister MĂŒller challenged the scientists gathered there by asking: “Is a world with no hunger actually possible?”

“It is possible, but it will require a lot of research and development activities to get there,” replied CIMMYT’s director general, Martin Kropff.

With $3.5 billion generated in benefits annually, CIMMYT is well positioned for Minister MĂŒller’s challenge. CIMMYT works throughout the developing world to improve livelihoods and foster more productive, sustainable maize and wheat farming. Its portfolio squarely targets critical challenges, including food insecurity and malnutrition, climate change and environmental degradation. In addition, over 50 percent of maize and wheat grown in the developing world is based on CIMMYT varieties.

The director of CIMMYT’s Global Wheat Program, Hans Braun (left), shows one of the 28,000 unique maize seed varieties housed at CIMMYT’s genebank, the Wellhausen-Anderson Plant Genetic Resources Center. (Photo: Alfonso CortĂ©s/CIMMYT)
The director of CIMMYT’s Global Wheat Program, Hans Braun (left), shows one of the 28,000 unique maize seed varieties housed at CIMMYT’s genebank, the Wellhausen-Anderson Plant Genetic Resources Center. (Photo: Alfonso CortĂ©s/CIMMYT)

Germany has generously supported CIMMYT’s work for decades in a quest to answer this very question, which aligns with the German government’s agenda to improving food and nutrition security, the environment and livelihoods.

“CIMMYT is working to find ways to allow developing countries to grow maize and wheat on less land so that a larger percentage of it can be freed for nutritious and higher value cash crops. This requires better seeds that are adapted to biotic and abiotic stressors, smarter agronomy and machinery, which CIMMYT develops with partners,” Kropff explained.

CIMMYT works between smallholders and small companies to create an incentive on one side to grow varieties and on the other side, to increase demand for quality grain that will ultimately become the tortillas and bread on customers’ dinner tables. These sustainable sourcing and breeding efforts depend on the breathtaking diversity of maize and wheat housed at CIMMYT’s genebank, the Wellhausen-Anderson Plant Genetic Resources Center, which is supported by German funding along with solar panels that generate clean energy for the genebank.

Through funding for the CGIAR Research Program on WHEAT and the CIM Integrated Experts Program, Germany’s GIZ and BMZ have also supported CIMMYT research into gender and innovation processes in Africa, Central and South Asia, enhancing gender awareness in both projects and rural communities and mainstreaming gender-sensitive approaches in agricultural research. As a result, CIMMYT researchers and partners have increased gender equality in wheat-based cropping systems in Ethiopia, reduced the burden of women’s wheat cleaning work in Afghanistan, and hosted a series of training courses promoting the integration of gender awareness and analysis in research for development.

The German delegation watches the work of a lab technician counting wheat root chromosomes. (Photo: Alfonso Cortés/CIMMYT)
The German delegation watches the work of a lab technician counting wheat root chromosomes. (Photo: Alfonso Cortés/CIMMYT)

In addition, the CIM Integrated Experts program has allowed CIMMYT to increase its efforts to scale up agricultural innovations and link research to specific development needs. With support from GIZ and in collaboration with the PPPLab, in 2018 CIMMYT researchers developed a trial version of the Scaling Scan, a tool which helps researchers to design and manage scaling at all project phases: at the beginning, during and after implementation.

CIMMYT is committed to improving livelihoods and helping farmers stay competitive through increasing labor productivity and reducing costs. CIMMYT’s mechanization team works to identify, develop, test and improve technologies that reduce drudgery and enable smallholders in Mexico, sub-Saharan Africa and South Asia to adopt sustainable intensification practices, which require greater farm power and precision. In Ethiopia, CIMMYT has an ongoing collaboration with the GIZ/BMZ green innovation center — established as part of the ONE WORLD – No Hunger initiative — and is working with GIZ in Namibia to provide knowledge, expertise and capacity building on conservation agriculture. This includes the organization of training courses to mechanics and service providers on everything from the use to the repair of machinery and small-scale mechanization services.

“We’re on a mission to improve livelihoods through transforming smallholder agriculture, much of which depends on empowering women, scaling, market development and pushing for policies that would create the right incentives. Partnerships with local and international stakeholders such as Germany are at the core of CIMMYT’s operations and allow for us to have global impact,” said Kropff.

More photos of the visit are available here.

“Could we turn it on?” asks Germany’s federal minister of economic cooperation and development, Gerd MĂŒller, during a small-scale machinery demonstration to show off the latest achievements of MasAgro, an innovative sustainable intensification project that works with more than 500,000 maize and wheat farmers in Mexico. (Photo: Alfonso CortĂ©s/CIMMYT)
“Could we turn it on?” asks Germany’s federal minister of economic cooperation and development, Gerd MĂŒller, during a small-scale machinery demonstration to show off the latest achievements of MasAgro, an innovative sustainable intensification project that works with more than 500,000 maize and wheat farmers in Mexico. (Photo: Alfonso CortĂ©s/CIMMYT)

Solving the “last mile” challenge of maize seeds

Philomena Muthoni Mwangi stands at the entrance of her agrodealer shop, Farm Care, in the village of Ngarariga. (Photo: Jerome Bossuet/CIMMYT)
Philomena Muthoni Mwangi stands at the entrance of her agrodealer shop, Farm Care, in the village of Ngarariga. (Photo: Jerome Bossuet/CIMMYT)

Agrodealers play a pivotal role in delivering the gains of the green revolution to millions of smallholders in Africa. Reaching even the most remote corners of the continent, they give farmers access to agricultural inputs and services.

So far, seed systems research has mainly focused on the factors influencing farmers’ adoption of or seed companies’ investment in new varieties. However, little is known about independent agrodealers, who play an important role in the “last mile” of seed systems, distributing improved maize seeds and fertilizers as well as giving agronomic advice. There is a gap of knowledge about who they are, their needs and constraints, and the ways in which they secure and develop their businesses.

Understanding how to better support agrodealers is important for the International Maize and Wheat Improvement Center (CIMMYT), to ensure that new varieties reach the largest possible number of farmers. Under the Stress Tolerant Maize for Africa (STMA) project, CIMMYT has launched a new research effort to better understand agrodealers in Kenya, with a specific focus on maize seed marketing.

Researchers are now testing the tools and expect to begin field work in March 2019, during the next maize planting season. “We want to collect detailed quantitative and qualitative data about the way agrodealers outsource and choose their maize varieties, and how they market these seeds to farmers,” explained CIMMYT associate scientist Pieter Rutsaert, who leads the study. This research will help government agencies, NGOs and funders to design better interventions related to agrodealers, for greater and more sustainable impact.

CIMMYT researchers Jason Donovan (left) and Pieter Rutsaert (right) discuss the research study questionnaire with consultant enumerator Victor Kitoto. (Photo: Jerome Bossuet/CIMMYT)
CIMMYT researchers Jason Donovan (left) and Pieter Rutsaert (right) discuss the research study questionnaire with consultant enumerator Victor Kitoto. (Photo: Jerome Bossuet/CIMMYT)

The million-shilling question

The way questions are selected and phrased, and data collected, is critical. “Figuring out how to ask the right question to the right person is a hard business, especially when we ask agrodealers to evaluate their own performance,” recognized Rutsaert. For example, it could be challenging to estimate the importance of maize seed sales if owners are hesitant to provide details about their businesses to outsiders. Anticipating the challenges of collecting reliable and comparable data, Rutsaert’s team will use visual tools, like illustrated cards, to facilitate conversations with interviewees. They will also use innovative exercises, like the shop investment game, where owners are asked how they would invest one million Kenyan shillings (about US$10,000).

Standing behind the counter of her shop, selling bags of feeding supplements for dairy cattle and small pesticide bottles on dusty shelves, Philomena Muthoni Mwangi explained she had run out of maize seeds for sale. This small agrodealer in the village of Ngarariga, in central Kenya, will restock her maize seeds from a big agrovet shop nearby at the onset of the rainy season.

This is quite common, as agrodealers do not take risks when it comes to selling new varieties. Not knowing the future demand, leftover seed stock after the planting season would severely reduce Mwangi’s potential profit, as margins per bag are low. To address this issue, CIMMYT researchers will conduct an intercept farmer survey in the coming weeks, to better understand what farmers look for when buying maize seeds.

Agrodealers are not a homogeneous group. Ranging from large one-stop shops to small shacks, their business models, seed marketing strategy and type of clients may differ a lot. This study will provide useful insights to design targeted seed scaling strategies that consider all kinds of agrodealers, moving away from a one-size-fits-all approach.

The Stress Tolerant Maize for Africa (STMA) project is funded by the Bill & Melinda Gates Foundation and the United States Agency for International Development (USAID).

The 70-year-old owner of a farm input shop in Kikuyu town, Kiambu County, answers the questions of CIMMYT researchers. (Photo: Jerome Bossuet/CIMMYT)
The 70-year-old owner of a farm input shop in Kikuyu town, Kiambu County, answers the questions of CIMMYT researchers. (Photo: Jerome Bossuet/CIMMYT)

The Molecular Maize Atlas encourages genetic diversity

Maize ears from CIMMYT's collection, showing a wide variety of colors and shapes. CIMMYT's germplasm bank contains about 28,000 unique samples of cultivated maize and its wild relatives, teosinte and Tripsacum. These include about 26,000 samples of farmer landraces — traditional, locally-adapted varieties that are rich in diversity. The bank both conserves this diversity and makes it available as a resource for breeding. (Photo: Xochiquetzal Fonseca/CIMMYT)
Maize ears from CIMMYT’s collection, showing a wide variety of colors and shapes. CIMMYT’s germplasm bank contains about 28,000 unique samples of cultivated maize and its wild relatives, teosinte and Tripsacum. These include about 26,000 samples of farmer landraces — traditional, locally-adapted varieties that are rich in diversity. The bank both conserves this diversity and makes it available as a resource for breeding. (Photo: Xochiquetzal Fonseca/CIMMYT)

Imagine walking through a grocery store, doing your weekly shopping. Everything seems normal, but as you pick up a can, there’s no label. There’s nothing to tell you what the product is, and now you can’t reliably choose anything to eat this week.

Now switch gears and imagine a germplasm bank. Without the right labeling on these different varieties, it’s difficult to tell what’s new and what’s already been discovered when working on new research projects.

That’s where the Molecular Maize Atlas steps into play.

About nine years ago, the International Maize and Wheat Improvement Center (CIMMYT) started an initiative called the Seeds of Discovery (SeeD). This initiative facilitates easier access to and use of maize and wheat genetic resources.

SeeD achieves impact through five main components: genotyping, phenotyping, software tools, pre-breeding and capacity building.

“One of the aims of Seeds of Discovery was to best characterize germplasm,” says Sarah Hearne, a molecular geneticist and maize lead of SeeD. “At CIMMYT, our international germplasm bank holds in trust one of the largest and most diverse publicly available maize collections in the world.”

However, Hearne says this germplasm bank used to look like a grocery store without any labels or without labels that would allow someone to select a can of value. To combat this, SeeD decided to work on a labeling process for the germplasm bank: the Molecular Maize Atlas.

The Molecular Maize Atlas is an information platform that brings genotypic data resources and associated tools together. This genotypic data provides unifying information across landraces and acts as a common backbone, which other valuable information, like phenotypic data, can be added to.

Read the full article on SeedWorld.

Support groups open women’s access to farm technologies in northeast India

In Odisha and Bihar, CSISA has leveraged the social capital of women's self-help groups formed by the government and other civil society partners and which offer entry points for training and social mobilization, as well as access to credit. (Photo: CSISA)
In Odisha and Bihar, CSISA has leveraged the social capital of women’s self-help groups formed by the government and other civil society partners and which offer entry points for training and social mobilization, as well as access to credit. (Photo: CSISA)

Self-help groups in Bihar, India, are putting thousands of rural women in touch with agricultural innovations, including mechanization and sustainable intensification, that save time, money, and critical resources such as soil and water, benefiting households and the environment.

The Bihar Rural Livelihoods Promotion Society, locally known as Jeevika, has partnered with the Cereal Systems Initiative for South Asia (CSISA), led by the International Maize and Wheat Improvement Center (CIMMYT), to train women’s self-help groups and other stakeholders in practices such as zero tillage, early sowing of wheat, direct-seeded rice and community nurseries.

Through their efforts to date, more than 35,000 households are planting wheat earlier than was customary, with the advantage that the crop fully fills its grain before the hot weather of late spring. In addition, some 18,000 households are using zero tillage, in which they sow wheat directly into unplowed fields and residues, a practice that improves soil quality and saves water, among other benefits. As many as 5,000 households have tested non-flooded, direct-seeded rice cultivation during 2018-19, which also saves water and can reduce greenhouse gas emissions.

An autonomous body under the Bihar Department of Rural Development, Jeevika is also helping women to obtain specialized equipment for zero tillage and for the mechanized transplanting of rice seedlings into paddies, which reduces women’s hard labor of hand transplanting.

“Mechanization is helping us manage our costs and judiciously use our time in farming,” says Rekha Devi, a woman farmer member of Jeevika Gulab self-help group of Beniwal Village, Jamui District. “We have learned many new techniques through our self-help group.”

With more than 100 million inhabitants and over 1,000 persons per square kilometer, Bihar is India’s most densely-populated state. Nearly 90 percent of its people live in rural areas and agriculture is the main occupation. Women in Bihar play key roles in agriculture, weeding, harvesting, threshing, and milling crops, in addition to their household chores and bearing and caring for children, but they often lack access to training, vital information, or strategic technology.

Like all farmers in South Asia, they also face risks from rising temperatures, variable rainfall, resource degradation, and financial constraints.

Jeevika has formed more than 700,000 self-help groups in Bihar, mobilizing nearly 8.4 million poor households, 25,000 village organizations, and 318 cluster-level federations in all 38 districts of Bihar.

The organization also fosters access for women to “custom-hiring” businesses, which own the specialized implement for practices such as zero tillage and will sow or perform other mechanized services for farmers at a cost. “Custom hiring centers help farmers save time in sowing, harvesting and threshing,” said Anil Kumar, Program Manager, Jeevika.

The staff training, knowledge and tools shared by CSISA have been immensely helpful in strengthening the capacity of women farmers, according to D. Balamurugan, CEO of Jeevika. “We aim to further strengthen our partnership with CSISA and accelerate our work with women farmers, improving their productivity while saving their time and costs,” Balamurugan said.

CSISA is implemented jointly by the International Maize and Wheat Improvement Center (CIMMYT), the International Food Policy Research Institute (IFPRI) and the International Rice Research Institute (IRRI). It is funded by the Bill & Melinda Gates Foundation and the United States Agency for International Development (USAID).

Digital imaging tools make maize breeding much more efficient

Mainassara Zaman-Allah conducts a demonstration of the use of unmanned aerial vehicles (UAV) at the Chiredzi research station in Zimbabwe.
Mainassara Zaman-Allah conducts a demonstration of the use of unmanned aerial vehicles (UAV) at the Chiredzi research station in Zimbabwe.

To keep up with growing maize demand, breeders aim at optimizing annual yield gain under various stress conditions, like drought or low fertility soils. To that end, they identify the genetic merit of each individual plant, so they can select the best ones for breeding.

To improve that process, researchers at the International Maize and Wheat Improvement Center (CIMMYT) are looking at cost-effective ways to assess a larger number of maize plants and to collect more accurate data related to key plant characteristics. Plant phenotyping looks at the interaction between the genetic make-up of a plant with the environment, which produces certain characteristics or traits. In maize, for example, this may manifest in different leaf angles or ear heights.

Recent innovations in digital imagery and sensors save money and time in the collection of data related to phenotyping. These technologies, known as high-throughput phenotyping platforms, replace lengthy paper-based visual observations of crop trials.

Authors of a recent review study on high-throughput phenotyping tools observe that obtaining accurate and inexpensive estimates of genetic value of individuals is central to breeding. Mainassara Zaman-Allah, an abiotic stress phenotyping specialist at CIMMYT in Zimbabwe and one of the co-authors, emphasizes the importance of improving existing tools and developing new ones. “Plant breeding is a continuously evolving field where new tools and methods are used to develop new varieties more precisely and rapidly, sometimes at reduced financial resources than before,” he said. “All this happens to improve efficiency in breeding, in order to address the need for faster genetic gain and reduction of the cost of breeding.”

“Under the Stress Tolerant Maize for Africa (STMA) project, we are working on implementing the use of drone-based sensing, among other breeding innovations, to reduce time and cost of phenotyping, so that the development of new varieties costs less,’’ said Zaman-Allah. “The use of drones cuts time and cost of data collection by 25 to 75 percent  compared to conventional methods, because it enables to collect data on several traits simultaneously — for example canopy senescence and plant count,” he explained.

Another great innovation developed under this CIMMYT project is what Zaman-Allah calls the ear analyzer. This low-cost digital imaging app allows to collect maize ear and kernel trait data 90 percent faster. This implies higher productivity and rigor, as more time is dedicated to data analysis rather than time spent on data collection. Using digital image processing, the ear analyzer gives simultaneous data of more than eight traits, including ear size and number, kernel number, size and weight.

Measuring maize attributes such as ear size, kernel number and kernel weight is becoming faster and simpler through digital imaging technologies.
Measuring maize attributes such as ear size, kernel number and kernel weight is becoming faster and simpler through digital imaging technologies.

Some national agricultural research systems and NGOs have adopted this digital imagery tool to better assess maize yields in farmers’ fields. For instance, CIMMYT and GOAL have used this tool to assess the extent of fall armyworm impact on maize crops yield in eastern Zimbabwe.

Scientists are exploring the use of different sensors for phenotyping, such as Red, Green and Blue (RGB) digital imaging or Light Detection and Ranging (LIDAR) devices. Infrared thermal and spectral cameras could lead to further progress towards faster maize breeding.

Such sensors can help collect numerous proxy data relating to important plant physiological traits or the plant environment, like plant height and architecture, soil moisture and root characteristics. This data can be used to assess the maize crop yield potential and stress tolerance.

Such breeding innovations are also making maize research more responsive to climate change and emerging pests and diseases.

Growing need for food is reason for more biodiversity

Recent research in Southern Ethiopia found that agricultural areas with the highest tree cover also experienced the most productivity in crop, feed and fuel. (Photo: Mokhamad Edliadi/CIFOR)
Recent research in Southern Ethiopia found that agricultural areas with the highest tree cover also experienced the most productivity in crop, feed and fuel. (Photo: Mokhamad Edliadi/CIFOR)

Deep within southern Ethiopia’s agroforestry landscapes, where farmers grow grain and keep cattle, sheep, goats and donkeys, researchers counted more than 4,100 birds as part of an assessment on agricultural productivity and biodiversity.

The researchers also counted some 4,473 individual trees from 52 tree species in the same study, which they believe is the first to link key indicators of biodiversity to more than one indicator of agricultural productivity, considering three products people in rural communities value most: fodder, fuel and food.

This has led to two important new conclusions: that encouraging biodiversity on and around agricultural land likely increases its productivity, and that measurements of productivity must be broadened to include what matters for local livelihoods.

Too often, agricultural productivity is measured through a very narrow lens, such as “mere” crop yields alone. But, according to the study, that has “disregarded local perspectives of what is actually important to people in terms of ecosystem services.

Take, for instance, trees: in addition to potentially growing food, they also benefit crop yield by controlling erosion; capture nutrients for the soil through their roots; help regulate the climate; and provide habitats for animals and insects, including natural enemies of crop pests. The study found that in this region of Ethiopia, agricultural productivity was higher in areas with heavy tree cover than in landscapes where trees had been removed for more crop space.

“We need to understand what would be the best way to produce food with minimum negative consequences on biodiversity,” says lead researcher FrĂ©dĂ©ric Baudron, challenging the assumption of trading one for the other in faith that agricultural intensification and biodiversity conservation can be achieved at once.

This study comes amid concerns that a rising demand for food and fuel to serve the world’s growing population – projected to reach 9 billion by 2050 – will drive greater agricultural expansion and intensification.

The proliferation of both would likely cause real harm to landscapes and biodiversity, threatening the essential natural constituents of the world’s ability to feed itself, warns Baudron. “That has serious implications for the sustainability of our global food production system,” he says. “We need biodiversity as an essential input.”

He also raises the issue of justice. Biodiversity loss hits hardest the millions of small farmers in developing countries – who make up the majority of farmers worldwide – because they depend almost exclusively on ecosystem services, and not external inputs, for production. And the resulting edible output is crucial for everyone; family farms produce more than 80 percent of the world’s food in value terms, according to FAO statistics.

Baudron says the study’s findings play into how small family farms should be managed through policy and in major restoration efforts, given that tree placement and configuration have enormous implications for biodiversity and ecosystem services it provides.

In other words, biodiversity shouldn’t be a bonus of productive landscapes. The study suggests, rather, that productive landscapes should be designed to make the most of all of the services provided by biodiversity.

The work was part of ‘The Agrarian Change Project’, with funding from the United Kingdom’s Department for International Development (DFID), the United States Agency for International Development (USAID) and the CGIAR Research Program on Wheat.

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How gender equity and social inclusion are improving the lives of rural families in Africa

Women have the potential to be drivers of agricultural transformation in Africa, holding the key to improving their families’ livelihoods and food security. However, constraints such as lack of access to initial capital, machinery, reliable markets, and knowledge and training are difficult to overcome, leading to restricted participation by women and young people in agricultural systems in Africa.

A new video from the Sustainable Intensification of Maize-Legume Systems for Food Security in Eastern and Southern Africa (SIMLESA) project highlights the importance of gender equity and social inclusion to achieving project impacts and outcomes, helping to drive transformative change towards securing a food-secure future for Africa. Case studies and interviews with women and men farmers — including young people — detail how SIMLESA’s approach has re-shaped their maize-based farming lives.

The video is aligned with the theme for International Women’s Day 2019, “Think Equal, Build Smart, Innovate for Change,” which places the spotlight on innovative ways in which we can advance gender equality and the empowerment of women.

“This video is intended to educate the agricultural community and wider public on the importance of applying sustainable intensification agricultural practices and technologies in order to bridge the gender gap in agricultural productivity and achieve agricultural transformation for smallholder farmers in Africa,” said Rahma Adam, Gender and Development Specialist with CIMMYT in Kenya. “We hope stakeholders will be able to see the benefits of these practices and technologies, and work towards finding ways to implement them into their agricultural practices or programs.”

Launched in 2010, SIMLESA is led by the International Maize and Wheat Improvement Center (CIMMYT) and funded by the Australian Center for International Agricultural Research (ACIAR). It is implemented by national agricultural research systems, agribusinesses and farmers in partner countries including Ethiopia, Kenya, Malawi, Mozambique, Rwanda, Tanzania and Uganda.

SIMLESA lead farmer Agnes Sendeza harvests maize cobs from a stook on her farm in Tembwe, Salima district, Malawi. (Photo: Peter Lowe/CIMMYT)
SIMLESA lead farmer Agnes Sendeza harvests maize cobs from a stook on her farm in Tembwe, Salima district, Malawi. (Photo: Peter Lowe/CIMMYT)

Putting equal opportunities at the center

Following a participatory research for development approach, the SIMLESA team works alongside farmers and partner organizations to achieve increased food production while minimizing pressure on the environment by using smallholder farmers’ resources more efficiently and empowering women, men and young people to make decisions.

The SIMLESA project achieves impact by integrating gender sensitivity into all project activities and developing a deep understanding of social contexts and factors that constrain access to, and adoption of, improved technologies. Initiatives are able to reach all individuals in the project’s target communities, leaving no one out.

“The benefits of fostering equal opportunities for women, men and young people through SIMLESA’s work are enormous,” said Adam. Equal opportunities mean better access to information, markets, and improved varieties of seeds; participation in field trials, demonstrations and training; and the provision of leadership opportunities in local innovation platforms.

Central to the success of the SIMLESA project is the concept of Agricultural Innovation Platforms. “Being members of these platforms, farmers can access credits, which they can use to purchase farm inputs,” explained Adam. “They are able to take part in collective marketing and get a better price for their crops. The Agricultural Innovation Platforms also facilitate training on better agribusiness management practices and the sharing of ideas about other productive investment opportunities to better farmers’ lives. All these benefits were hard to come by when the women and youth farmers were farming on their own without being associated to the SIMLESA project or part of the platforms.”

The words of Rukaya Hasani Mtambo, a farmer from Tanzania, are a testimony to the power of this idea. “As a woman, I am leader of our group and head of my household. I always encourage my fellow women, convincing them we are capable. We should not underestimate what we can do.”

To watch the full video, click here.

To watch other videos about the SIMLESA project, click here.