In April 2021, Sri Lanka made a decision that shocked the agricultural world. The island nation, famous for its tea plantations and emerald-green rice paddies, announced an immediate and complete ban on the import of chemical fertilizers and pesticides. President Gotabaya Rajapaksa declared that Sri Lanka would become the first country in the world to achieve one hundred percent organic farming.
The vision was bold: healthier soil, cleaner water, and a population free from toxic residues. Seven months later, the policy lay in ruins. Rice harvests had collapsed by nearly one third. Tea production, a critical source of foreign income, had fallen sharply. Food prices soared. Farmers took to the streets in angry protests. And by November 2021, the ban was quietly lifted.
What went wrong? The story of Sri Lanka’s failed organic revolution is not a story against organic farming itself. It is a story about timing, arrogance, and the difference between a gradual transition and a sudden shock.
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| Dinuka Gunawardana : Pexel |
The Promise That Could Not Be Kept
The idea of organic farming had been discussed in Sri Lanka for years. Supporters pointed to real problems: overuse of chemicals, damage to soil health, and a worrying rise in chronic kidney disease among farming communities, which some studies linked to pesticide exposure . In 2015, the government had already banned glyphosate, a common herbicide, though the ban was later partially lifted for the tea sector .
When President Rajapaksa took office in 2019, he made the organic transition a campaign promise. But the immediate trigger for the sudden ban was not environmental idealism alone. Sri Lanka was running out of foreign currency. The pandemic had destroyed tourism, and the government could no longer afford the four hundred million dollars it spent annually on fertilizer imports . Banning chemicals would save money—or so the thinking went.
The government assured farmers that organic alternatives would be available. They promised one hundred million tons of organic fertilizer per year. They promised training. They promised that any drop in yields would be compensated.
None of those promises were kept.
The Math That Did Not Add Up
The central problem was simple arithmetic. Organic fertilizer is not the same as chemical fertilizer. Chemical fertilizers deliver concentrated, immediately available nutrients. Organic fertilizers have much lower nutrient content and release their nutrients slowly . To replace the nitrogen from a single bag of urea, a farmer would need many times that weight in compost or manure.
Researchers at the International Water Management Institute did the calculations. They found that even if Sri Lanka collected every possible source of organic material—crop residues, animal manure, urban waste, even human sewage sludge—the country would still fall short of the nitrogen needed for rice alone by more than fifty percent . Other crops, including tea and vegetables, were simply not considered in the supply planning.
In other words, the organic fertilizer did not exist. It could not exist. The country lacked the biomass to produce it. Farmers who had grown high-yield rice varieties bred specifically to respond to chemical inputs suddenly had nothing to feed their crops .
One farmer described the situation to researchers simply: "We were asked to farm without food for the plants."
The Farmers Who Were Left Behind
Sri Lanka has more than two million farming families. Most work small plots of land. They are not ideologues. They are practical people who need a harvest to feed their children and pay their debts.
When the ban was announced, farmers received no warning. Many had already purchased chemical fertilizers for the upcoming planting season. Those supplies were seized or rendered useless. The government then began distributing organic fertilizer, but what arrived was often substandard. Some loads were reported to contain mud, plastic, or other contaminants . Farmers who tried to make their own compost found it labor-intensive and slow—it takes weeks or months to produce quality organic material, and the planting window does not wait.
A survey conducted during the crisis found that while nearly two thirds of farmers supported the idea of organic farming in principle, almost eighty percent said they needed more than one year to make the shift . They wanted training, supplies, and a gradual reduction in chemical use. Instead, they got a sudden cutoff.
By the time the ban was lifted, the damage was done. Rice production fell by an estimated twenty to thirty percent. Tea yields dropped by eighteen percent, costing the country an estimated four hundred twenty-five million dollars in lost exports . Vegetable prices multiplied overnight. Sri Lanka, which had been nearly self-sufficient in rice, was forced to import grain from India.
The Political Earthquake
The farming crisis did not stay in the fields. It spilled into the streets. Farmers blocked highways. They burned effigies of government ministers. The anger over fertilizer merged with broader outrage over economic mismanagement, electricity blackouts, and shortages of fuel and medicine.
In 2022, mass protests erupted across the country. Protesters occupied the president's office. President Rajapaksa fled the country and resigned. While many factors contributed to his fall, the fertilizer ban was widely seen as the spark that ignited the fire .
One member of parliament put it bluntly: "You cannot tell a farmer to go organic when he has no food for his family. That is not policy. That is suicide."
The Aftermath: A Cautious Return to Chemicals
Today, four years after the ban, Sri Lankan agriculture has largely reverted to conventional methods. Fertilizer imports surged by more than seventy percent in 2025 compared to pre-ban levels . The government now spends heavily on chemical inputs, in some cases more than it ever did before.
But the scars remain. Many farmers took on debt during the crisis and have never recovered. Some have abandoned farming entirely. Domestic organic fertilizer startups that had invested millions in anticipation of the green revolution have collapsed. Of more than one hundred such companies, only eight remain in business .
Rice production has improved but still has not reached pre-ban highs. Farmers who once earned modest profits now say their income is barely enough to live on . One elderly farmer told a reporter: "Right now we are doing this more out of habit than for profit."
What the World Can Learn
The Sri Lankan disaster offers three clear lessons for any country considering a major agricultural transition.
First, biology cannot be rushed. Soil health, microbial life, and nutrient cycles take years to change. A sudden ban on inputs is not a transition. It is an amputation.
Second, farmers must be partners, not subjects. The Sri Lankan government made no meaningful effort to consult with farming communities before imposing the ban. When farmers protested, they were ignored. A policy that does not have the trust of the people who must implement it is a policy destined for failure.
Third, organic farming is not a magic solution for every context. In certain crops and certain soils, organic methods work beautifully. In high-yield, intensive systems that have been dependent on chemicals for generations, a sudden switch can be catastrophic. The path forward for most nations is likely a hybrid approach: organic methods where they work, chemical inputs where they are still needed, and a gradual, carefully managed reduction over time .
A Final Word
Organic farming is not a bad idea. Done well, with proper planning, training, and transition time, it can improve soil health, reduce pollution, and produce nutritious food. But the Sri Lankan experiment was not done well. It was done fast, without preparation, and without listening to the farmers who would bear the cost.
The revolution failed not because organic farming is impossible, but because good intentions without good planning are just another kind of neglect.
References
- Drechsel, Pay; Madhuwanthi, Piumi; Nisansala, Duleesha; et al. "On the feasibility of an agricultural revolution: Sri Lanka’s ban of chemical fertilizers in 2021." Food Security, Volume 17, Issue 3. 2025.
- International Water Management Institute (IWMI). "What Sri Lanka’s ban of chemical fertilizers in 2021 can teach the world." Blog post. April 29, 2025.
- Köpke, Sören. "The transition that wasn’t: why Sri Lanka’s organic farming approach failed." Taylor & Francis Online. 2026.
- Daily FT. "Something rotten in the state – root causes of Sri Lanka’s ‘fertiliser policy fiasco’." February 13, 2025.
- Reuters. "Four years after Sri Lanka's failed organic push, rice farmers struggle to rebuild." November 18, 2025.
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