Laily UPN
In the vast, sun-drenched agricultural landscapes of the Africa-Middle East region, a silent environmental crisis has been unfolding for decades. While the world focuses on the necessity of boosting food production to feed a growing population, the "aftermath" of these efforts—specifically the disposal of pesticide containers—has remained a persistent, often overlooked, threat. Without robust collection systems, these plastic vessels, which once contained potent chemical agents, frequently become permanent fixtures in the ecosystem, leaking residues into soil and water tables or, worse, entering domestic circulation.
However, a transformative shift is taking place in Zambia. By transitioning from ad-hoc disposal methods to a structured, circular economy model, the country is proving that responsible agriculture does not end when the crop is harvested. It continues through the rigorous management of the inputs that made that harvest possible.
The Hidden Environmental Liability
Understanding the Scope of the Challenge
Crop protection products are the bedrock of food security. They prevent catastrophic losses to pests and diseases, allowing smallholder farmers to secure their livelihoods. Yet, the life cycle of these products is often treated as a linear path: purchase, application, and abandonment.
When an empty pesticide container is tossed into a field edge, buried, or burned, the environmental consequences are severe. Burning releases toxic plumes of dioxins and furans into the atmosphere, which can settle on crops and enter the food chain. Burying containers or disposing of them in open dumpsites poses a risk of groundwater contamination, as chemical residues leach into the soil over time.
Perhaps most alarming is the practice of "upcycling" by rural families. In many parts of Africa, empty containers are repurposed as storage vessels for water, cooking oil, or grain. This creates a direct pathway for chronic chemical exposure, leading to long-term health risks that remain largely undocumented and untreated. This systemic failure highlights a gap in the global pesticide stewardship framework: the lack of infrastructure to handle the waste generated by agricultural productivity.
A Chronology of Change: From Hazard to Resource
The Zambian Model in Motion
The shift in Zambia did not happen overnight. It is the result of years of advocacy, pilot programs, and the formalization of Extended Producer Responsibility (EPR) frameworks.
- 2020–2022: Establishing the Baseline. CropLife Zambia, in partnership with local agricultural stakeholders, began auditing the disposal habits of smallholder farmers in districts like Chongwe and Mkushi. The data confirmed a reliance on unsafe disposal, coupled with a lack of awareness regarding the risks of chemical residue.
- 2023: The Pilot Hub Strategy. Recognizing that farmers needed a physical destination for their waste, the first dedicated aggregation hubs were conceptualized. These hubs were designed to be more than just collection points; they were intended to be educational centers.
- 2024: Scaling and Impact. The initiative reached a turning point. With improved logistics and increased farmer participation, the program processed more than 10 tons of plastic waste. This proved the viability of the model: what was once an environmental liability was now a feedstock for the recycling industry.
- 2025: Expanding the Network. Building on the success in Chongwe and Mkushi, plans were fast-tracked for the Mazabuka aggregation hub. Training programs were expanded, reaching over 443 farmers in a single district, signaling a shift in the local agricultural culture.
Data-Driven Stewardship
Quantifying the Success of Triple-Rinsing
The cornerstone of the Zambian initiative is the technique of "triple-rinsing." This simple, low-cost intervention is the difference between a contaminated waste stream and a recyclable resource.
By rinsing a container three times immediately after use, farmers can remove up to 99.9% of chemical residues. This not only makes the container safe for the farmer to handle during transport but also renders the plastic acceptable for recycling facilities.
Key Metrics from the Field:
- 10 Tons: The volume of plastic waste diverted from landfills and burning pits in 2024 alone.
- 443 Farmers: The number of individuals trained in safe handling practices in the Chongwe district during 2025.
- 77% Influence: A recent study revealed that 77% of small-scale farmers look to agro-dealers for guidance on pesticide use. This data point has been instrumental in shifting the focus of the program to include agro-dealers as primary educators in the supply chain.
Voices from the Field: The Human Element
For Mr. Makoza Tembo, a small-scale tomato farmer with over 20 years of experience in the Chongwe District, the aggregation hub represents a long-awaited solution. "For years, we were stuck between a rock and a hard place," he explains. "We knew burning was bad, and we knew the containers were dangerous, but we had no other choice. We felt guilty, but we were helpless."
Mr. Tembo’s experience is echoed by thousands of farmers across the continent. The transition from "disposal as a burden" to "disposal as a responsibility" has empowered farmers to take ownership of their land. It is no longer just about yield; it is about stewardship. When a farmer brings a punctured, triple-rinsed container to a hub, they are making a conscious choice to protect their family’s health and the long-term fertility of their soil.
Institutional Responses and Policy Implications
The Role of EPR and Future Legislation
The success of the Zambian model is rooted in the convergence of public policy and private sector initiative. The Extended Producer Responsibility (EPR) framework—which mandates that those who put products on the market are responsible for their end-of-life disposal—has provided the necessary legal scaffolding for these programs.
However, experts argue that legislation is only as effective as its implementation. Government agencies, industry players, and developmental partners are currently in discussions to move from voluntary collection to a mandatory, nationwide system.
"We have proven that the system works," says a spokesperson for the local agricultural extension services. "Now, the challenge is to move from a pilot program to a national standard. This requires investment in infrastructure, but more importantly, it requires a policy environment that holds all value chain actors accountable."
The implication for other African nations is clear: agriculture cannot scale in a vacuum. If a country aims to increase food production, it must concurrently build the waste-management infrastructure to handle the associated inputs.
Conclusion: A Roadmap for the Continent
The Zambian experience offers a replicable, scalable blueprint for the Africa-Middle East region. By integrating education, infrastructure, and policy, the country has turned a persistent environmental challenge into an opportunity for sustainable growth.
The path forward requires three distinct commitments:
- Strengthened Logistics: Expanding the network of aggregation hubs to ensure that no farmer is more than a short distance from a collection point.
- Agro-Dealer Integration: Leveraging the trust between farmers and agro-dealers to ensure that every sale includes a conversation about safe disposal.
- Cross-Sectoral Collaboration: Ensuring that governments, recyclers, and chemical manufacturers share the burden and the benefits of a circular agricultural economy.
As Africa continues to modernize its agricultural sector, the lessons learned in the fields of Chongwe and Mkushi will become increasingly vital. The empty containers arriving at these hubs are more than just plastic; they are the physical evidence of a maturing agricultural system—one that respects the environment as much as it values the harvest. The future of African agriculture lies in this balance: a commitment to productivity, tempered by an unwavering duty to the land.
Dwi Wanna
Asep Darmawan
