The research team employed a mixed-methods design that combined quantitative and qualitative strands of evidence. At its core was a household survey of 111 respondents drawn from communities across the district, supplemented by key informant interviews, focus group discussions, and direct field observations. This triangulated approach allowed the researchers to move beyond simple income statistics and capture how farmers themselves perceive the crop’s agronomic, environmental, and health dimensions. Ethical clearance for the work was granted by the Dire Dawa University Research and Ethics Review Committee, and the study was funded by Ethiopia’s Ministry of Education and Dire Dawa University, neither of which influenced the design or interpretation of the findings.

The headline numbers are striking. Khat chewing was reported by 96.9 percent of respondents, confirming that consumption of the crop is not a fringe habit but a near-universal practice in the study communities. Statistical analysis revealed that age was significantly associated with chewing behavior, with a chi-square statistic of 9.683 and a p-value of 0.046, suggesting that the habit clusters within particular generational groups. Sex, by contrast, showed no significant association with chewing behavior, with a chi-square value of just 0.020 and a p-value of 0.886, indicating that men and women in the district chew khat at broadly similar rates. This gender neutrality is notable, as it challenges assumptions in some public health literature that khat use is overwhelmingly a male phenomenon.

Health awareness among farmers proved more nuanced than outsiders might expect. More than half of the survey respondents recognized potential cardiovascular risks associated with khat chewing, a finding that speaks to the reach of health messaging even in remote rural areas. Interestingly, however, education level was not significantly associated with health-risk perception, with a chi-square statistic of 11.048 and a p-value of 0.354. In other words, formal schooling did not translate into a measurably sharper understanding of the stimulant’s physiological effects. This decoupling of education from risk awareness suggests that health information in the district circulates through channels other than formal schooling, and that interventions targeting khat-related health harms cannot simply assume that more educated farmers will naturally grasp the risks.

Perhaps the most surprising dimension of the study concerns the environment. A substantial majority of farmers, 81.1 percent, perceived khat as beneficial for soil and water conservation, and this perception varied significantly with the intensity of cultivation, yielding a chi-square statistic of 7.907 and a p-value of 0.019. Farmers who grew khat more intensively were more likely to view the crop as an ally of the landscape rather than a threat to it. The qualitative strands of the study help explain why. Researchers documented extensive indigenous knowledge systems built around khat production, including moisture-conserving practices such as the construction of basins around individual khat plants to capture and hold rainfall. These techniques, refined over generations, function as a form of informal land management that reduces runoff and erosion on the sloped fields where khat thrives.

This framing of a stimulant cash crop as a sustainable land-management strategy is what gives the study its intellectual bite. In much of the policy literature, khat expansion is treated primarily as a problem: a crop that displaces food production, drains household budgets through consumption, and locks farmers into volatile export markets. The Habro District data complicate that picture. Because khat is a perennial, densely foliated shrub that receives careful individual attention, its cultivation can mimic some of the hydrological functions of natural vegetation cover, at least in the eyes of the farmers who maintain it. Whether these perceived benefits hold up under formal hydrological and soil-science measurement remains an open question, but the study demonstrates that local ecological knowledge has shaped a cultivation system with genuine conservation logic.

The economic evidence, however, is unambiguous about why farmers commit to the crop. Khat was identified as the dominant livelihood activity in the district, with 92.8 percent of respondents reporting it as a reliable source of income. Reliability is the operative word. Unlike cereals and other food crops, khat can be harvested continuously throughout the year, providing a near-weekly cash flow that smooths household finances in a region where rainfall variability makes annual harvests precarious. This steady income stream funds school fees, medical expenses, and food purchases, effectively converting the shrub into a social safety net for farming families. For many households, abandoning khat would mean abandoning the only dependable bridge across lean seasons.

Yet the qualitative findings reveal the shadow side of that dependence. Farmers and community informants expressed growing concern about declining areas devoted to food crops, as khat’s superior returns pull land, labor, and irrigation away from staples. Market dependency emerged as a second anxiety: a livelihood system built almost entirely on a single perishable commodity leaves households exposed to price collapses and demand shocks. Perhaps most troubling for the district’s future is the reported rise of excessive khat consumption among young people, a trend that participants linked to lost productivity and social strain. The crop that pays for a family’s needs is also, in the words of the community’s own concerns, reshaping what the next generation does with its days and its money.

The authors frame these tensions as trade-offs rather than a simple verdict. Khat functions simultaneously as a livelihood asset, a perceived sustainable land-management strategy, and a source of pressure on food security, agricultural diversification, and long-term sustainability. Food crops squeezed onto shrinking plots, a population heavily invested in chewing the crop it grows, and a monocultural market exposure together create a system that is profitable in the short term but fragile in the long term. The study’s central policy recommendation follows directly from this diagnosis: integrated land-use policies are needed that balance rural income generation with ecosystem resilience and sustainable agricultural development, rather than policies that treat khat purely as a crop to be eradicated or a commodity to be promoted.

What makes the Habro District findings resonate far beyond eastern Ethiopia is the broader question they pose for agricultural development across the global South. Cash crops with stimulant or luxury markets, from coffee to tobacco to coca in other contexts, routinely generate exactly this configuration: reliable income, farmer-invested conservation practices, and corrosive effects on food systems and public health. The Ethiopian case shows that the environmental and economic stories cannot be separated from the social one. Any policy that ignores the 96.9 percent chewing prevalence, or the indigenous moisture-conserving knowledge embedded in khat fields, or the 92.8 percent income reliance, will fail on its own terms. The researchers’ mixed-methods evidence suggests the path forward lies in working with the grain of the existing system, preserving its genuine conservation benefits and income reliability while deliberately rebuilding the food-crop base and addressing youth consumption. For a district whose fortunes rise and fall with a single shrub, that balance may be the most important harvest of all.

Subject of Research: Socio-economic and environmental trade-offs of khat cultivation in eastern Ethiopia

Article Title: Livelihood benefits, ecosystem services, and food security trade-offs of khat cultivation in eastern Ethiopia

Article References: Tadesse, L., Admasu, M., & Kasso, M. (2026). Livelihood benefits, ecosystem services, and food security trade-offs of khat cultivation in eastern Ethiopia. Discover Sustainability. https://doi.org/10.1007/s43621-026-04842-x

Image Credits: AI Generated

DOI: 10.1007/s43621-026-04842-x

Keywords: khat, Ethiopia, food security, ecosystem services, soil and water conservation, household income, livelihoods, subsistence agriculture, land use, Habro District, Catha edulis, mixed methods