Opinion | Agroecology as Innovation

On July 3, the High Level Panel of Experts of the UN Food and Agriculture Organization (FAO) released its much-anticipated report on agroecology in Rome. The report signals the continuing shift in emphasis in the UN agency’s approach to agricultural development. As outgoing FAO Director General Jose Graziano da Silva has indicated, “We need to promote a transformative change in the way that we produce and consume food. We need to put forward sustainable food systems that offer healthy and nutritious food, and also preserve the environment. Agroecology can offer several contributions to this process.”

The commissioned report, Agroecological and other innovative approaches for sustainable agriculture and food systems that enhance food security and nutrition, two years in the making, is clear on the urgent need for change. “Food systems are at a crossroads. Profound transformation is needed,” the summary begins. It goes on to stress the importance of ecological agriculture, which supports “diversified and resilient production systems, including mixed livestock, fish, cropping and agroforestry, that preserve and enhance biodiversity, as well as the natural resource base.”

It is not surprising, of course, that those with financial interests in the current input-intensive systems are responding to growing calls for agroecology with attacks on its efficacy as a systematic approach that can sustainably feed a growing population. What is surprising is that such responses are so ill-informed about the scientific innovations agroecology offers to small-scale farmers who are being so poorly served by “green revolution” approaches.

One recent article from a researcher associated with a pro-biotechnology institute in Uganda was downright dismissive, equating agroecology with “traditional agriculture,” a step backward toward the low-productivity practices that prevail today. “The practices that agroecology promotes are not qualitatively different from those currently in widespread use among smallholder farmers in Uganda and sub-Saharan Africa more broadly,” writes Nassib Mugwanya of the Uganda Biosciences Research Center. “I have come to conclude that agroecology is a dead end for Africa, for the rather obvious reason that most African agriculture already follows its principles.”

Nothing could be further from the truth. As the new expert report shows, and as countless ecological scientists around the world can attest, agroecology brings much-needed innovations to prevailing smallholder practices. With a long track record of achievements in widely varying environments, the approach has been shown to improve soil fertility, increase crop and diet diversity, raise total food productivity, improve resilience to climate change, and increase farmers’ food and income security while decreasing their dependence on costly inputs.

The failing policies of the present

The predominant input-intensive approach to agricultural development can hardly claim such successes, which is precisely why international institutions are actively seeking alternatives. The Alliance for a Green Revolution in Africa (AGRA) is the poster child for the promotion of input-intensive agriculture in Africa. At its outset 13 years ago, AGRA and its main sponsor, the Bill and Melinda Gates Foundation, set the goals of doubling the productivity and incomes of 30 million smallholder households on the continent.

There is no evidence that approach will come anywhere near meeting those worthy objectives, even with many African governments spending large portions of their agricultural budgets to subsidize the purchase of green revolution inputs of commercial seeds and synthetic fertilizers. National-level data, summarized in the conclusion to my book Eating Tomorrow, attests to this failure:

• Smallholders mostly cannot afford the inputs, and the added production they see does not cover their costs.
• Rural poverty has barely improved since AGRA’s launch; neither has rural food insecurity. Global Hunger Index scores remained in the “serious” to “alarming” category for 12 of the 13 AGRA countries.
• Even in priority crops like maize and rice, few of AGRA’s 13 priority countries have seen sustained productivity increases.
• Production increases such as for maize in Zambia have come as much from shifting land into subsidized maize production as from raising productivity from commercial seeds and fertilizers.
• There is no evidence of improved soil fertility; in fact, many farmers have experienced a decline as monocropping and synthetic fertilizers have increased acidification and reduced much-needed organic matter.
• Costly input subsidies have shifted land out of drought-tolerant, nutritious crops such as sorghum and millet in favor of commercial alternatives. Crop diversity and diet diversity have decreased as a result.

A recent article in the journal Food Policy surveyed the evidence from seven countries with input subsidy programs and found little evidence of sustained—or sustainable—success. “The empirical record is increasingly clear that improved seed and fertilizer are not sufficient to achieve profitable, productive, and sustainable farming systems in most parts of Africa,” wrote the authors in the conclusion.

Agroecology: Solving farmers’ problems

Branding agroecology as a backward-looking, do-nothing approach to traditional agriculture is a defensive response to the failures of Green Revolution practices. In fact, agroecological sciences offer just the kinds of innovations small-scale farmers need to increase soil fertility, raise productivity, improve food and nutrition security, and build climate resilience.

Do these innovations sound backward looking to you?

These innovations and many others are explored in depth in the new HLPE report, the full version of which will be available in English in mid-July. Those advocates of industrial agriculture would do well to read it closely so they can update their understanding of the sustainable innovations agroecological sciences offer to small-scale farmers, most of whom have seen no improvements in their farms, incomes, or food security using Green Revolution approaches. Many farmers have concluded that the Green Revolution, not agroecology, is a dead end for Africa.

Feature Image Courtesy of Markus Winkler on Unsplash

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