Africa's Green Revolution Is Pushing Traditional Crops to the Brink

Green Revolution or Green Threat?

As AGRA celebrates two decades of what it calls its "Green Revolution," a critical examination reveals an unsettling trend: the very policies meant to bolster African agriculture are pushing traditional crops into decline. My research, and that of my colleagues, shows that while donor-funded initiatives have made headlines, they've failed to deliver on their promise of productivity gains.

The Green Revolution's focus has been on commercial seeds, fertilizers, and large-scale plantings of high-yielding monocrops—most notably maize. But this approach is causing a quiet crisis: the erosion of biodiversity in African farming systems that have long provided resilience and nutrition.

"Hunger continues to increase in Africa, driven by climate change, desertification, conflict, and disruptions to international supply lines from international conflicts like the Ukraine war,"

— Million Belay and Timothy Wise

Subsidies and Subversion

In countries where AGRA has been most active, subsidies have flooded into maize production. The result? A 71% increase in land devoted to maize, while traditional staples like millet, cassava, and groundnuts are losing ground. Between 2006 and 2023, millet production fell by 27%, and cassava by 21%. These figures tell a sobering story about what's happening to the backbone of Africa's agricultural heritage.

Maize yields, despite massive investment, have grown modestly—just 40% over 18 years. In some countries like Kenya, yields have even declined. Meanwhile, crops that are more suited to climate stress and local conditions—like millet—are being starved of resources and attention.

• Millet was once as common as maize across the region
• Since 2006, its production has plummeted by 27%
• Cassava productivity dropped 21% in participating countries

The Hidden Cost of Homogeneity

Maize may be a staple crop, but it is far from ideal for Africa's climate. It requires high inputs—fertilizer, water, and pesticides—and thrives only in certain conditions. By contrast, crops like millet are drought-tolerant, can grow in poor soils, and provide high nutritional value.

The UN Food and Agriculture Organization (FAO) even declared 2023 the "Year of Millets," acknowledging their role in sustainable agriculture and climate resilience. Yet AGRA's approach continues to prioritize maize, not because it's more profitable, but because it fits into a commercialized model that favors global markets over local knowledge.

"A diverse farm spreads risk: when one crop suffers from drought, pests or disease, another may survive. Rotation and diversity of crops help keep soils more fertile."

Why Diversity Matters More Than Ever

As Africa grapples with rising temperatures, erratic rainfall, and frequent climate shocks, it's not just about yield—it's about survival. Traditional crops like sorghum, fonio, cowpeas, and indigenous vegetables offer not just food but also resilience. They are the products of generations of adaptation to local environments.

When these crops disappear from fields, we lose more than just a harvest. We lose seed varieties that are adapted to local conditions, farming knowledge passed down through generations, and foods central to cultural identity.

The Green Revolution's Contradiction

AGRA now talks about the value of diversity, including crops like millet and sorghum. But the emphasis remains on commercial seeds and certified varieties—tools that often exclude smallholder farmers from controlling their own food systems. What's missing is an investment in seed sovereignty: empowering farmers to choose, save, and develop varieties suited to their needs.

It's not about rejecting innovation—it's about rethinking who benefits from it. The Green Revolution, as currently structured, is more about feeding global markets than supporting local food systems.

What Needs to Change

The solution isn't just to shift subsidies. It's to rethink the entire framework of agricultural development in Africa. This means:

1. Supporting farmers' rights to save, exchange, and develop their own seeds
2. Investing in crops that are climate-adapted and nutritionally rich
3. Recognizing traditional knowledge as a key part of sustainable agriculture
4. Building resilience over profitability

We need policies that reflect the real needs of African farmers, not just donor agendas. As AGRA continues to celebrate its 20th anniversary, it's time to ask whether it's truly advancing Africa's food systems—or undermining them.