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Makerere Scientists Document Climate-Smart Innovation in Sentema, Applaud Farmer’s Odor-Control Breakthrough

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A team of scientists under the regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited Mr. Mugisha Jonan, an urban farmer and environmentalist in Sentema Wakiso District, whose adoption of innovative practices is redefining the feasibility of farming in densely populated urban settings.

Mr. Mugisa, a farmer and environmentalist explains how he started his farm and took on the use of the innovation. Regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited to Mr. Mugisha Jonan, urban farmer and environmentalist in Sentema Wakiso District, adoption of innovative practices redefining the feasibility of farming in densely populated urban settings through the Nutrient Recycling Innovation, CoVAB, Makerere University, Kampala Uganda.
Mr. Mugisa, a farmer and environmentalist explains how he started his farm and took on the use of the innovation.

Through the Nutrient Recycling Innovation, Mr. Mugisha has not only resolved the persistent issue of odor from his dairy farm, but is also unlocking more profitable outcomes by embracing climate-smart agricultural techniques. Central to his approach is the use of VTC Technology, a system designed to recover nutrients from diverse waste streams, including farm and market waste, and return them to their original sources. This transformative method was introduced to him by Dr. Herbert Mukiibi, a renowned scientist from the College of Veterinary Medicine, Animal Resources and Biosecurity at Makerere University.

The Scientists inspect the innovation where wastes are dumped and will eventually turn into manure. Regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited to Mr. Mugisha Jonan, urban farmer and environmentalist in Sentema Wakiso District, adoption of innovative practices redefining the feasibility of farming in densely populated urban settings through the Nutrient Recycling Innovation, CoVAB, Makerere University, Kampala Uganda.
The Scientists inspect the innovation where wastes are dumped and will eventually turn into manure.

Based on the demonstration on the farm, the innovative practice will help in reshaping urban agriculture by enhancing sustainable food production while simultaneously addressing critical environmental challenges such as waste management and odor control. Mr. Mugisha’s work stands as a compelling example of how local science-driven solutions can empower urban farmers and contribute to greener, more resilient cities.

Prof. Asaete, Dr. Nampanzira, Dr. Herbet Mukiibi were conducted around the vegetable garden where the manure is applied. Regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited to Mr. Mugisha Jonan, urban farmer and environmentalist in Sentema Wakiso District, adoption of innovative practices redefining the feasibility of farming in densely populated urban settings through the Nutrient Recycling Innovation, CoVAB, Makerere University, Kampala Uganda.
Prof. Asaete, Dr. Nampanzira, Dr. Herbet Mukiibi were conducted around the vegetable garden where the manure is applied.

Dr. Dorothy Nampanzira Kalule led a team that included Dr. Herbert Mukiibi, the innovator who collaborated directly with Mr. Mugisha to implement the nutrient recycling innovation. Also part of the team was Prof. Josephine Esaete from the College of Education and External Studies, part of the members of the bigger project research team that includes Prof. Robert Stephen Tabuti and Prof. Vincent Muwanika, both from the College of Agricultural and Environmental Sciences (CAES) at Makerere University.

 “Mr. Mugisha’s work exemplifies the kind of innovation we aim to capture, document and validate as solutions that are proven to work, locally driven, environmentally sound, and socially inclusive,” said Dr. Nampanzira, following a tour of the project site nestled within a densely populated urban residential area.

Dr. Nampanzira said the reason for the visit to the farmer was because through the project, scientists were looking out for farmers doing unique things that actually give them good results which are not known to the scientists. She said the purpose was to validate such practices and have them promoted.

A vegetable garden with a high yield. Regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited to Mr. Mugisha Jonan, urban farmer and environmentalist in Sentema Wakiso District, adoption of innovative practices redefining the feasibility of farming in densely populated urban settings through the Nutrient Recycling Innovation, CoVAB, Makerere University, Kampala Uganda.
A vegetable garden with a high yield.

The project, Building Capacity for Innovation and Advancement of Climate-Smart Agriculture in East and Southern Africa (CICSA-E&SA), continues to engage with farmers who have adopted some climate-smart agricultural practices by identifying and supporting solutions that work for farmers on the ground. Through hands-on engagement and collaboration, the initiative focuses on practical innovations that address real challenges, ensuring that climate-smart agriculture is not only sustainable, but also accessible and effective for local communities.

While describing the innovation demonstrated by Mr. Mugisha, Dr. Herbert Mukiibi explained that the Nutrient Recycling Technology is designed to recover nutrients from various waste streams such as domestic, farm, hospital, schools or market waste and return them to their original source. If the nutrients came from the garden, the ultimate goal is to return them to the garden, Dr. Mukiibi noted. He said that most systems release nutrients through waste, which wastes are often mistreated because people don’t realize they are valuable resources. He said through such interventions, they were coming in to tap on these wastes and return them to the garden in a ready form that can be used by the crops for better yields without necessarily using inorganic forms of fertilizers.

Dr. Mukiibi emphasized that this technology not only promotes sustainable agriculture but also transforms public perception of waste, from a nuisance into a valuable resource thereby encouraging more responsible and productive environmental practices. He commended Mr. Mugisha, the farmer behind the initiative, for embracing the technology and personally financing its development. Thanks to Mr. Mugisha’s commitment, the project has advanced to the point where it is nearly ready to produce, package, and sell organic manure, marking a significant milestone in practical nutrient recycling.

“We want to document the various innovations that promote climate-smart agriculture while simultaneously addressing farmers’ real-world challenges,” said Prof. Asaete Josephine, who is part of the research team. “The innovation demonstrated by Mr. Mugisha not only solved his initial problem, the unpleasant smell of dung that was causing concern in the neighborhood, but also evolved into a broader solution. What began as an effort to manage odor has also addressed nutrient deficiencies. That’s where the climate-smart aspect comes in, she noted.  Instead of spending resources on inorganic fertilizers, the farmer is now benefiting from nutrient recycling, which promotes faster plant growth while tackling the original issue of odor.”, she noted.

Mr. Mugisha explains the Innovation that has helped him resolve the challenge of waste and odor management on his farm. Regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited to Mr. Mugisha Jonan, urban farmer and environmentalist in Sentema Wakiso District, adoption of innovative practices redefining the feasibility of farming in densely populated urban settings through the Nutrient Recycling Innovation, CoVAB, Makerere University, Kampala Uganda.
Mr. Mugisha explains the Innovation that has helped him resolve the challenge of waste and odor management on his farm.

Mr. Mugisha informed the visiting team that he initially started the farm to meet his family’s nutritional needs. However, as the farm grew, he encountered significant challenges related to waste management, which led him to connect with Dr. Herbert Mukiibi, whose expertise helped guide him toward innovative solutions. He said he first adopted biogas technology yet, odor problem persisted, leading him to explored more sustainable options and eventually embraced the nutrient recycling innovation. He said transforming waste into organic manure enabled him resolve the environmental concerns but also enhanced the productivity of his vegetable gardens, and is moving towards packaging and sale of organic manure.

The team interacts with Mrs. Mugisha (R). In the background is the slab where the manure will be dried before further processing and packaging. Regional research initiative “Building Capacity for Innovation and Advancement of Climate Smart Agriculture in East and Southern Africa” (CICSA-E&SA) visited to Mr. Mugisha Jonan, urban farmer and environmentalist in Sentema Wakiso District, adoption of innovative practices redefining the feasibility of farming in densely populated urban settings through the Nutrient Recycling Innovation, CoVAB, Makerere University, Kampala Uganda.
The team interacts with Mrs. Mugisha (R). In the background is the slab where the manure will be dried before further processing and packaging.

The CICSA-E&SA project is a multi-institutional collaboration led by Makerere University, in partnership with the Norwegian University of Life Sciences (Norway), Maseno University (Kenya), and LUANAR and DARS (Malawi). The project is funded by the Norwegian Agency for International Cooperation and Quality Enhancement in Higher Education (Diku) and aims to promote climate-resilient agricultural practices across East and Southern Africa.

Harriet Musinguzi

Agriculture & Environment

What two weeks with Farmers in Mwera, Mityana, taught Makerere’s PhD Students about Agricultural Innovation

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PARI Xlll students (Seated) with Dr. Richard Miiro (R) at Mwera tea estate, Mityana District after their second transect walk in October 2026. PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.

From walking through farms and tracing agricultural histories to listening to farmers and engaging communities in dialogue, a two-week field course in Mityana District offered Makerere University doctoral students a profound lesson: meaningful agricultural innovation begins with the people it seeks to serve.

When the classroom moved to Mwera, Mityana

For two weeks, the classroom had no walls. Its lessons were written across coffee and banana gardens, cultivated fields, homesteads and the lived experiences of farming communities in Mityana District. From 4 to 16 October 2026, Mwera Parish and the surrounding villages of Kiwande, Kakindu, Kitiddibuli, Bananze and Kireku became an extended classroom for six doctoral students pursuing a PhD in Agricultural and Rural Innovation under Makerere University‘s Department of Extension and Innovation Studies.

The students were undertaking a field course in Action Research in Agri-food Systems, Innovations and Livelihoods, an academic exercise designed to take learning beyond the university and into the communities whose agricultural realities are often the subject of research, policy and development interventions.

The community feedback meeting by Makerere University PARI XIII at Mwera Community Hall. PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.
The community feedback meeting by Makerere University PARI XIII at Mwera Community Hall.

Here, there were no neatly arranged lecture halls or powerpoint presentations to explain every agricultural challenge. Instead, there were landscapes to interpret, farmers with stories to tell, and agricultural practices shaped by generations of experience, adaptation and survival.

Under the guidance of Dr. Richard Miiro, Dr. Sarah Akello and Dr. Moses Okech, the students set out to understand farming systems not simply as combinations of crops and livestock, but as complex relationships between people, natural resources, institutions, markets and livelihoods.

What began as an academic exercise would gradually become something more profound. An encounter with the realities of rural life and a reconsideration of what it truly means to support agricultural innovation.

Reading the landscape, listening to farmers

Dr. Okech Moses (C) guiding PARI XIII student Joeria Nandaula (R) during the community interview sessions in Kiwande Village. PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.
Dr. Okech Moses (C) guiding PARI XIII student Joeria Nandaula (R) during the community interview sessions in Kiwande Village.

The first lessons came from the landscape itself. Moving through Mwera, Kakindu, Bananze, Kitiddibuli and neighbouring communities, the students conducted transect walks, observed cropping patterns, examined agroecological conditions and interacted with farming households.

Everywhere they looked, the landscape offered clues about how people made a living.

Coffee and banana gardens stood alongside seasonal crops, livestock enterprises and settlements. The arrangement of farms, the crops under cultivation and the resources available to households reflected decisions shaped by soil conditions, land availability, household resources and market opportunities.

Yet, as the students soon discovered, what was visible on the land told only part of the story. Why did neighbouring households practise agriculture differently, even when they appeared to share similar conditions? How had farming systems changed over time? What influenced farmers’ decisions, and what challenges continued to threaten their livelihoods?

To answer these questions, the students had to do more than observe. They had to listen. Through interviews, historical inquiries and participatory discussions, farmers shared experiences that offered explanations beyond what could be seen in their fields.

Their accounts revealed that agricultural decisions are not always driven by the desire to maximise yields or profits. Sometimes, a farmer’s choice reflects the immediate needs of a household, limited financial resources, available labour, uncertainty about markets, the need to manage risks or lessons accumulated over years of experience. A farming practice that might appear inefficient to an outsider could, when understood through the farmer’s circumstances, represent a deliberate and practical response to uncertainty.

PARI XIII students paying attention to instructions from Dr. Miiro and Dr. Akello ahead of the community entry and landscape mapping. PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.
PARI XIII students paying attention to instructions from Dr. Miiro and Dr. Akello ahead of the community entry and landscape mapping.

For the doctoral students, these encounters challenged a conventional assumption about agricultural extension, that experts possess knowledge which must simply be transferred to farmers.

The farmers of Mwera were far from passive recipients of information. They were knowledgeable actors, continuously observing, experimenting, adjusting and making decisions within the opportunities and limitations of their circumstances. It became increasingly clear that effective agricultural extension cannot begin with prescribing solutions. It must begin with understanding the people expected to use them.

Understanding the farming system

As the days progressed, the students began connecting what they had observed in the fields with what they were learning from the farmers. They examined the area’s agrarian history, farming practices, resource use and livelihood strategies, seeking to understand not only how agriculture was being practised, but also why farming systems had evolved in particular ways.

Historical accounts helped explain changes in land use, agricultural production and livelihoods. Observations of the landscape revealed differences in farming opportunities, while conversations with households illuminated the social and economic circumstances influencing agricultural decisions.

Some of the PARI XIII students pose for a photo during their transect walk from Bananze Village to Mwera Tea Estate in Mityana (L-R Nambalirwa, Agena, Mufuruki and Mayanja). PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.
Some of the PARI XIII students pose for a photo during their transect walk from Bananze Village to Mwera Tea Estate in Mityana (L-R Nambalirwa, Agena, Mufuruki and Mayanja).

Therefore, addressing one problem without understanding its relationship to others can result in interventions that appear technically sound but are difficult for farmers to adopt or sustain. The field experience also challenged the tendency to associate agricultural innovation exclusively with new technologies, improved seeds, machinery or modern production techniques.

Innovation, the students learned, can also emerge from changes in how farmers organise themselves, share knowledge, access information, manage resources, respond to risks or collaborate with institutions. Sometimes, the most consequential innovation is not a new technology introduced onto a farm, but a new relationship, an improved way of working together or a better understanding of an existing challenge.

For students, these insights were particularly significant. They reinforced the importance of understanding the wider social, economic and institutional environment within which agricultural decisions are made. They also demonstrated why successful interventions must be relevant to farmers’ circumstances, inclusive of different farming households and sustainable beyond the period of external support.

When researchers returned to the community

After nearly two weeks of walking through farms, observing agricultural practices, conducting interviews and analysing findings, the students returned to the people who had made their learning possible. This time, however, they were not coming to ask questions. They were coming to share what they had learned and, importantly, to find out whether the community agreed with their interpretations.

At Mwera Community Hall, more than 60 community members gathered for a feedback session, among them were farmers who had participated in the fieldwork and shared their experiences with the students. It was a defining moment in the field course.

PARI XIII student Maureen Agena (R) draws a transect map during a reflection meeting with fellow students and Drs.PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.
PARI XIII student Maureen Agena (R) draws a transect map during a reflection meeting with fellow students and Drs.

The students presented their findings on the landscape, agricultural history, farming practices, livelihood strategies and the strengths, weaknesses, opportunities and threats identified within the farming systems. But the meeting was not intended to be a one-way presentation of academic findings. Community members were invited to validate the observations, question the interpretations, identify gaps and contribute their own perspectives on the challenges facing agriculture in the area.

The discussions brought familiar concerns to the forefront; declining soil fertility, the rising cost of agricultural inputs, crop suitability, pests and diseases, and access to agricultural services.

Through a participatory prioritisation exercise, pests and diseases emerged as the farmers’ leading concern, followed by limited access to farmer advisory services.

The significance of this outcome went beyond identifying two agricultural challenges. It demonstrated why communities must be involved not only in providing information for research, but also in interpreting findings and determining which problems deserve priority attention. For researchers, a challenge may appear important because of its technical or economic implications. For farmers, its urgency may be shaped by daily experiences, the risks it presents to household livelihoods and their ability to respond.

The feedback session therefore became more than the conclusion of a field course. It was an opportunity for the students to subject their academic interpretations to the knowledge and judgement of the people whose lives those interpretations sought to explain.

In that exchange lay an important distinction between conducting research on communities and conducting research with them. The farmers were not merely sources of data. They were contributors to knowledge generation, participants in validating findings and partners in identifying the challenges that mattered most to them. Yet, even as the discussions drew to a close, a larger question remained: What happens after researchers leave?

Rethinking agricultural extension and innovation

The experience in Mwera offered lessons extending well beyond the requirements of a doctoral field course. For agricultural extension professionals, it raised fundamental questions about how farmers are understood, how agricultural problems are diagnosed and how interventions are designed.

The community meeting underway at Mwera community hall with PhD student Ibrahim Mayanja explaining the Agri-ecological zones along the routes.PhD in Agricultural and Rural Innovation XIII, Department of Extension and Innovation Studies, College of Agricultural and Environmental Sciences (CAES), Makerere University Field Course, 4th-16th Oct 2026, Mwera Parish, Mityana District, Uganda, East Africa.
The community meeting underway at Mwera community hall with PhD student Ibrahim Mayanja explaining the Agri-ecological zones along the transect routes.

The first lesson was the importance of diagnosis before prescription.

Agricultural interventions cannot be adequately designed without understanding the landscape, its history, the diversity of farming households and the social, economic and institutional relationships that influence their decisions. What works for one farmer may not necessarily work for another, even within the same community. Differences in land ownership, labour availability, financial resources, farming objectives and exposure to risk can significantly influence the suitability of an intervention.

The second lesson concerned the place of farmers in knowledge creation.

Scientific research remains essential to agricultural development, but farmers also possess valuable knowledge acquired through experience, observation and adaptation. Bringing these forms of knowledge together creates opportunities for solutions that are both scientifically informed and grounded in local realities.

The third lesson was that agricultural innovation is rarely the achievement of a single actor.

Farmers, researchers, extension workers, government institutions, markets and other development actors all influence how knowledge is generated, shared and translated into practice. Innovation therefore requires collaboration, coordination and relationships that enable different actors to learn from one another and respond to shared challenges.

Taken together, these lessons challenge agricultural extension professionals to move beyond their traditional role as transmitters of technical knowledge and become facilitators of learning, collaboration and innovation.

They also challenge universities to reflect on the meaning of research impact.

Should the success of agricultural research be measured only by the volume of data collected, academic reports completed and publications produced? Or should it also be assessed by the extent to which research strengthens communities’ capacity to understand and address their own challenges? For institutions such as Makerere University, whose teaching and research are closely connected to national development priorities, this question is particularly relevant. Field-based learning offers an opportunity to connect academic inquiry with the realities of the communities that research ultimately seeks to serve. It also reminds researchers that meaningful engagement requires more than arriving in a community, collecting information and departing with findings. It calls for listening, mutual learning, respect for local knowledge and a willingness to recognise farmers as partners in the search for solutions.

Maureen Agena.
Maureen Agena

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CARTA Fellow Tamale on Building Systems, Shaping Policy and Transforming Lives beyond the PhD

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Dr. Andrew Tamale, College of Veterinary Medicine, Animal Resources and BioSecurity (CoVAB), Makerere University, Kampala Uganda, East Africa. Photo. CARTA.

A PhD can spark impact that extends far beyond academia. Meet CARTA graduate Andrew Tamale, whose journey demonstrates the multiplier effect of research capacity strengthening—from helping transform doctoral training and generating evidence that informed safer fish consumption practices, to strengthening One Health approaches for outbreak preparedness in Uganda and beyond. 

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Source: CARTA News & Updates Issue 105

Mark Wamai

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CARTA Fellow Anywar Appointed UTANA Subject Matter Expert, Talks Medicinal Plants

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Dr. Godwin Anywar, Department of Plant Sciences, Microbiology and Biotechnology, College of Natural Sciences (CoNAS), Makerere University. Kampala Uganda, East Africa.

Godwin Anywar, cohort 6, Makerere University, was appointed as a Subject Matter Expert on the Manuscript Technical Evaluators team of the Uganda Textbook Academic and Non-Fiction Authors Association (UTANA) on August 31, 2026. In this role, Godwin will contribute to the qualitative, academic, and pedagogical assessment of manuscripts submitted under the Capacity Building for School Books Project (CB-SP). The four-year project, implemented jointly with the Department of Teacher Education and Training Development (TETD) of Uganda’s Ministry of Education and Sports (MoES), aims to strengthen authorship and support the development of school books in Uganda’s education sector.

He was also featured in Uganda’s New Vision on July 26, 2026, in a special report on Uganda’s medicinal plants.

Source: CARTA News & Updates Issue 105

Mark Wamai

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