The Belarus Potash Deal, Priced Out
What Washington’s Minsk opening would actually have to cost before it touches Canada’s landed position in the United States
Belarusian potash would have to be priced roughly US$87 per tonne below the Saskatchewan mine gate (about 3.9 cents per pound of product, 6.6 cents per pound of K₂O) just to land in the U.S. Corn Belt at parity with Canadian supply. Against a US$440/t Midwest reference, Canada earns about 17.4¢/lb at the mine, and Belarus would have to clear about 13.4¢/lb to match it, a 23 percent discount given away before Belarus earns a dollar more than it already earns selling the same tonne to India or Brazil. There is no tariff on potash from either country, and none is available without a new Section 232 proceeding.
On 21 September 2026 the President announced the United States is “working on a massive Deal with respect to the purchase of Potash from Belarus,” at a cost “substantially less than we are currently paying to Canada.” Within hours Nutrien traded down as much as 5.2 percent and Mosaic 5.9 percent, the New Orleans barge market printed its firmest numbers since July 2023, and Alexander Lukashenko told reporters Belarus has nothing spare to sell the Americans because “everything has been contracted.” The headline promises a cheaper substitute. The producer says the substitute does not exist. The market moved anyway. Somewhere between those three facts is a number, and that number is the subject of this paper.
This is not a piece about whether Minsk deserves sanctions relief or whether the administration’s Canada policy is sound. It asks one question and answers it arithmetically: how cheap would Belarusian potash have to be, at the mine, to land in the American Corn Belt at the same delivered cost as Canadian potash? On today’s freight and today’s regulatory architecture, the answer is about US$87/tonne below the Saskatchewan mine-gate price, the discount Belarus must give away before it has earned one dollar more than it earns today selling the same tonne to Brazil. The rest of the paper follows from that number.
Part I: What was announced, and what was actually done
December 2025: OFAC authorized transactions with Belarus’s state potash producer and two other Belarusian manufacturers, ending four years of restriction, following Minsk’s release of more than 120 prisoners in talks led by U.S. envoy John Coale. The market barely reacted.
26 March 2026: OFAC did the substantive legal work. Acting under Executive Order 14038, it rescinded Directive 1 (the ban on Belarusian sovereign debt over 90 days), issued General License 14 for Belinvestbank, and, critically, removed Belaruskali OAO, the Belarusian Potash Company, and BPC’s Ukrainian subsidiary Agrorozkvit from the SDN List. This is not a clean bill of health: the Belarus Sanctions Regulations at 31 C.F.R. Part 548 remain in force, GL14 does not unblock property of still-designated persons, and the 50 percent rule still reaches majorityowned entities. But for a U.S. importer buying potassium chloride from BPC, the primary counterparty obstacle was removed that day.
21 September 2026: the President announced the “massive Deal.” No volumes, price, term, or counterparty. No statement from Canada, Nutrien, or Mosaic. Lukashenko, the same day, told state media Belarus has nothing to supply Western markets: “we just don’t have these volumes. Everything has been contracted.”
Between the second and third dates, the market rendered its own verdict. Belarusian export volumes had already recovered to roughly 88 percent of pre-sanctions levels on higher-cost routes (Bloomberg Intelligence). Paul Joules of Rabobank noted lingering logistics questions “given Belarus’ reliance on Russian ports.” Allan Pickett of S&P Global made the sharper point: because Belarus has largely regained global share, “if they supply more to the US they will probably supply less elsewhere. The balance does not change significantly.” Yara and K+S, the European fertilizer names, moved only 0.6 percent, which reads as the market pricing a reallocation, not an expansion.
So the object under discussion is a redirection of already-contracted tonnes from one destination to another. Whether that happens is a netback question, and netback questions are arithmetic.
Part II: The Customs Architecture Has No Tariff Story
Potassium chloride (HTS 3104.20.00) enters the United States duty-free from everywhere. The Column 1 General rate is Free, and so, less intuitively, is Column 2, the punitive Smoot-Hawley schedule Belarus was moved onto in April 2022 when it lost normal trade relations. Column 2 runs 25 to 45 percent on most manufactured goods, but for Chapter 31 fertilizers it changes nothing. There has never been a tariff barrier to Belarusian potash entering the U.S. The same is true of Russian potash, which is why Russia has quietly supplied roughly 12 percent of U.S. potash imports through 2021 to 2024, on the same long Baltic route, right through the sanctions period, while Canada supplied 79 percent. The barrier was always sanctions, counterparty risk, and freight. Two of those three remain.
Every live U.S. tariff instrument as of September 2026 either excludes potash or has expired. IEEPA is gone: the Supreme Court held 6 to 3 in Learning Resources, Inc. v. Trump (20 February 2026) that IEEPA confers no tariff authority, invalidating the reciprocal-tariff regime, including the 10 percent rate that had applied to non-USMCA Canadian goods since March 2025. Section 122’s 10 percent global surcharge was struck down by the Court of International Trade in May 2026 and expired by its own 150-day clock on 24 July 2026. Section 338, the durable instrument against Canada, permits duties up to 50 percent and covers roughly C$28 billion of trade since three proclamations took effect on 22 August 2026, but it explicitly excludes energy, potash, goods already under Section 232, fish, and critical minerals. And the one live vector that could reach potash, a Section 232 critical-minerals proceeding, reported in January 2026 with no tariffs, directing officials to negotiate instead, despite potash sitting on the U.S. critical-minerals list since 2018 for exactly this import-dependence reason. Only a fresh Section 232 investigation aimed specifically at potash could put a durable duty on Canadian supply, and nothing of the sort is pending.
Residual entry costs are trivial by comparison. Canadian potash moving by rail under USMCA preference pays no merchandise processing fee and no harbor maintenance fee. A Belarusian vessel cargo pays both, totaling about US$1.85/tonne on a CIF value near US$385, a real cost but rounding error against a freight differential measured in tens of dollars. There is no tariff lever in this story in either direction: Canada’s own 8 September counter-tariff package (C$27.6 billion of U.S. goods at 15, 25, and 50 percent) likewise does not touch fertilizers. Whatever the “massive Deal” is, it is a commercial procurement arrangement dressed as trade policy, which means it lives or dies on price.
Part III: The Price Question
“Is Belarusian potash cheaper than Canadian?” cannot be answered as posed. It compares two prices quoted at two different points on two different bases. The answerable question is a costto-serve one: at a single common delivery point (a U.S. Corn Belt distribution warehouse), what does each tonne cost to place there, and what is the maximum mine-gate price the higher-cost supplier can charge before it loses? Freight differentials are stable even when price levels are not.
The Canadian chain: US$57/tonne
From the Saskatchewan potash complex to a Corn Belt terminal is about 1,300 rail miles, single mode, at 2 to 4 cents per ton-mile, or roughly US$45/tonne, plus about US$12 terminal handling and zero border cost. Total: US$57/tonne.
The Belarusian chain: US$143.85/tonne
Belarus is landlocked. Until 2022, roughly 90 percent of its potash moved 300km to Klaipėda, in a terminal Belaruskali partly owned. Lithuania terminated that contract in 2022, and EU sanctions on Belaruskali and BPC, twice upheld by the EU courts, remain in force. Belarus now ships east: 1,000 to 1,100km by rail through Russia to Ust-Luga, Bronka, and St Petersburg, with volumes via Murmansk, Novorossiysk, Astrakhan, even Vladivostok, much of it in improvised 14- tonne soft containers, having moved over 11.6 million tonnes this way. That inland leg, the largest uncertainty in this model, is assumed at US$55/tonne. Ocean freight from the eastern Baltic to the U.S. Gulf (about 5,300 nautical miles, current Supramax rates) runs about US$42/tonne, plus a real US$5/tonne war-risk and sanctions-residue premium. The cargo is clean under U.S. law, but the shipowner, charterer, P&I club, and confirming bank are frequently EU or UK persons for whom Belaruskali and BPC remain listed. Add US$12 Gulf discharge and storage, US$1.85 in federal fees, and US$28 barge freight up the Mississippi-Illinois system. Total: US$143.85/tonne.
The hurdle
Setting the two delivered costs equal shows Belarusian potash must land about US$86.85 per tonne, call it US$87, below the Saskatchewan mine gate just to tie at the warehouse door. In practical terms that is 3.94 cents per pound of product, or 6.57 cents per pound of K₂O. Not to win. To tie.
Anchored on a Midwest wholesale reference near US$440/tonne (DTN’s retail average net of dealer margin and last-mile logistics), Canadian potash nets about US$383/tonne (17.4¢/lb) at the mine, and Belarus would have to clear about US$296/tonne (13.4¢/lb) to match it, a required discount of roughly 23 percent that holds between 21 and 25 percent across a US$410-470 reference band.
| Scenario | Belarus cost to serve | Hurdle | ¢/lb product |
| Base: today’s routing and rates | US$143.85/t | US$86.85/t | 3.94 |
| Dry bulk softens; inland eases to US $48 | US$125.85/t | US$68.85/t | 3.12 |
| EU relief; Klaipédareopens; no risk premium | US$101.85/t | US$44.85/t | 2.03 |
| Canadian rail distribution adds US$20/t | US$143.85/t | US$66.85/t | 3.03 |
| Best Realistic case for Belarus (all of the above) | US$87.85/t | US$30.85/t | 1.40 |
The hurdle never disappears. Even the compound best case (EU sanctions lifted, Klaipėda restored, freight soft, clean insurance) still requires Belarus to give up US$31/tonne, and it depends on a European policy reversal Washington has already tried and failed to secure. Reporting in May 2026 showed the U.S. asked three countries to lift sanctions on Belarusian potash; none did.
The Decisive Test: Belarus doesn’t Want this Trade
A Belarusian tonne is fungible across destinations, so what matters to BPC is netback, meaning the money that returns to the ship’s rail after freight. Against 2026 reference markets, Brazil nets about US$347/tonne FOB Russian Baltic, India about US$333, the U.S. Gulf about US$313, and China about US$308. The United States is Belarus’s third-best market of four, behind Brazil by about US$34/tonne and India by about US$20. Belarus’s 2026 India settlement was struck at a premium to the prior benchmark, so it is currently being paid more, not less, for redirecting tonnes east and south. The proposition on the table asks Belarus to sell into its third-best market at a further US$87/tonne discount, a combined foregone netback of US$100-120/tonne. There is no commercial universe in which a state exporter that has already clawed back 88 percent of pre-sanctions volume does that voluntarily. Lukashenko’s “everything has been contracted” is not evasion. It is the correct commercial answer.
What it would be worth to an American Farmer
Potash on corn runs about 60 lbs K₂O/acre. The full theoretical hurdle discount, which Belarus will not give since it only reaches parity, is worth under US$4/acre against corn revenue north of US$700. For a farmer to actually see money, Belarus would need to price roughly US$174/tonne below the Canadian mine gate, twice the tie point. Meanwhile the U.S. imports about 13 million tonnes of potash a year at 92 percent import reliance, so every US$1/tonne of price movement is worth about US$13 million annually, which means the roughly US$10/tonne supply-anxiety bump the announcement itself produced already costs American farmers more in a quarter than the theoretical Belarusian discount would save them in a year.
Part IV: What this Actually does to Canada
There is no tariff channel, and that is the most important fact: potash is excluded from Section 338, IEEPA is dead, Section 122 has sunset, and the Section 232 critical-minerals process closed with no tariff. But the carve-out is discretionary in an instrument amended three times in seven weeks: five further proclamations on 8 September added and removed product families. What was excluded by proclamation can be included by proclamation.
The real exposure is to price expectations and negotiating posture, not volume. The standard Canadian argument, that Saskatchewan supplies about 87 percent of U.S. potash imports, that the U.S. produces under 1 percent of world output, and that substitution is “difficult, if not completely impossible,” is analytically correct, and it was, until this month, uncontested. A credible-sounding alternative doesn’t need to be real to damage it. It only needs to be repeated in the autumn rooms where annual supply contracts get negotiated. A buyer now has a free option to invoke Belarus, and the producer can’t disprove it in the time it takes to negotiate. A few dollars per tonne of negotiating drag across 12 million tonnes of Canada-U.S. trade is US$40- 60 million a year, lost whether or not a single Belarusian tonne ever ships.
The sharper cost is to Canada’s own leverage. Canada’s strongest trade-war lever is a proposed potash export charge (22.9 million tonnes exported in 2024, 39 percent of global trade, 53 percent to the U.S., a 2025 study putting U.S. import elasticity at about minus 0.4, so a 10 percent charge raises roughly US$420 million gross with modest volume loss). The case for that lever assumes American buyers have nowhere else to go, exactly the assumption the Belarus announcement is calibrated to attack. It is cheap, requires no legal authority, risks nothing, and degrades an opponent’s best weapon. Judged as a negotiating instrument rather than a procurement plan, it is efficient.
The more serious Canadian problem this year has nothing to do with Belarus. Nutrien has chosen the Port of Longview, Washington for a new US$500 million to US$1 billion potash export terminal (5 to 6 million tonnes a year, FID targeted 2027) over expanding Vancouver or Portland, citing rail congestion, port capacity, and labour-disruption history. One Saskatchewan economist summarized it plainly: “things are easier to get done in the United States than they are in Canada.” By the early 2030s, a single American facility could move as much Canadian potash as all Canadian ports combined. No tariff caused that. It is a permitting and logistics problem, and it will still be moving tonnes long after the Belarus headline is forgotten.
There is one concrete compliance trap here that is Canada-specific and largely missed: Canada has not followed the U.S. delisting. Its Special Economic Measures (Belarus) Regulations still prohibit dealings in Belarusian potassium chloride goods, and the EU and UK, whose courts have twice upheld the Belaruskali/BPC listings, haven’t moved either. The same tonne is lawful for a U.S. person and prohibited for a Canadian one, and the divergence exposes Canadian trading houses or logistics providers arranging U.S.-destined Belarusian cargo, even if it never touches Canada, along with Canadian brokers or forwarders with U.S. operations, Canadian banks and insurers financing such cargo, and Canadian-owned terminals or warehouses in the U.S. distribution chain. Screening built only on the OFAC SDN list will now generate false negatives on exactly this commodity, since OFAC delisted Belaruskali and BPC in March 2026 while Canada, the EU, and the UK did not.
This lands in a tense setting. At the 1 July 2026 USMCA review, the U.S. declined to extend the agreement as-is (preferences run to 2036, but Article 34.7.4 now requires annual reviews); Canada’s own counter tariffscover C$27.6 billion; and the global fertilizer market is simultaneously absorbing the Strait of Hormuz disruption (urea up 80 percent since February, MOP up roughly 5 percent in Q1 with about 12 percent forecast for the year). A tight market, an inflamed relationship, and a headline claiming an alternative supplier is a combination that moves prices whether or not the alternative is real.
Part V: What to Actually Watch
Five indicators separate noise from substance, ranked by information value. First, a signed offtake with a named counterparty, volume, and term: until BPC or Belaruskali is party to an actual contract, there is no deal, only an announcement. Second, EU or UK movement on Belarusian potash sanctions, the single highest-leverage variable: restoring the Klaipėda route would cut roughly US$33/tonne of inland cost plus the US$5 risk premium, nearly halving the hurdle. Third, monthly U.S. import statistics under HTS 3104.20.00 by origin, where Belarusian tonnes will show up first, benchmarked against Russia’s steady 12 percent. Fourth, any Federal Register notice opening a Section 232 investigation into fertilizers or potash, the only route to a durable Canadian tariff. Fifth, further Section 338 proclamation amendments: they have run roughly monthly, the potash exclusion is discretionary, and its removal would be the real escalation, far more consequential to Canada than anything Minsk does.
For Canadian producers and advisors, the posture is straightforward. Publish the freight arithmetic: it is not proprietary, and a published number is the best defense against a perception attack. Negotiate 2027 supply contracts assuming buyers will invoke the Belarus option, armed with the netback table rather than a rebuttal. Update Belarus compliance screening to reflect that Canada, the EU, and the UK have diverged from the U.S., not converged with it. And give the Longview decision more policy attention than the Minsk announcement, because one is a press release and the other is a billion dollars of concrete.
Assumptions, and how to attack them
The weakest input is the US$55/tonne Soligorsk-to-Baltic leg. No published figures exist, so it is reconstructed from route distance, comparable rail costing, and the qualitative record of post-2022 cost escalation. Across a plausible US$35-75/tonne range, the hurdle moves between US$67 and US$107/tonne, and the conclusion is unchanged throughout. Ocean freight (US$42/tonne, from current Supramax rates) could fall by perhaps US$12in a dry-bulk collapse, and that does not close an US$87 gap. Canadian rail assumes normal service. A prolonged disruption is the one scenario that narrows the hurdle from the Canadian side, and notably it is the same risk Nutrien cited in choosing Longview. Price references are as of mid-September 2026 and will move.
The hurdle, a differential, will not. The conclusion does not rest on any single input. It rests on geography: Saskatchewan is 1,300 rail miles from the American Corn Belt on a single mode, while Soligorsk is 6,000 milesaway on four modes, one of them through a country whose ports the European Union has declined three times to grant sanctions relief on. Tariffs can be proclaimed and rescinded in a morning. Geography cannot.