China Has Effectively Exited US Agricultural Markets

China stopped buying US agricultural exports in April 2025, accelerating a permanent shift in global grain and oilseed trade flows toward Brazil, Argentina, and alternative suppliers.

The collapse of US agricultural exports to China is not a negotiating tactic or a temporary disruption pending resolution — it is the accelerated completion of a diversification strategy Beijing has been executing since 2018. China has spent eight years systematically reducing its dependence on US agricultural supply, building out Brazilian and Argentine sourcing relationships, investing in domestic production capacity, and developing alternative supply chains for soy, corn, and wheat. The trade war has not created this trajectory; it has locked it in. Without a comprehensive and durable trade agreement that includes binding agricultural purchase commitments at scale — and there is currently no credible pathway to one — the structural reorientation of global grain and oilseed flows away from the United States is effectively permanent at current volumes.

SIGNAL

China effectively ceased purchasing US agricultural exports in April 2025 following the escalation of the second Trump trade war, with US goods shipments to China falling to levels not seen since the global financial crisis of 2008–09. US soybean exports to China — historically the single largest agricultural trade flow between the two countries, representing approximately one in three rows of soybeans grown by US farmers — collapsed to approximately US$3 billion in 2025, their lowest level since 2018. Under China's 2025 retaliatory tariff structure, modelling by the USDA and academic economists estimates that US wheat exports to China would face an 87.9% decline and soybean exports a 61.2% decline compared to baseline MFN tariff scenarios. The Trump administration responded in December 2025 with up to US$11 billion in farmer subsidies for what it termed "temporary trade market disruptions" — payments beginning February 28, 2026 — echoing the US$28 billion in farm support deployed during the 2018–19 trade war. Purchase commitments China agreed to covering 2026–28 were characterised by industry sources as set at levels "below the status quo," providing no meaningful restoration of pre-war trade volumes.

EVIDENCE

• China essentially stopped buying US exports in April 2025; US goods shipments to China fell to levels not seen since the 2008–09 global financial crisis (PIIE, March 2026)
• Without the trade wars since 2017, US exports to China would have been approximately 60% higher in 2025 — equivalent to roughly US$90 billion annually in foregone trade (PIIE)
• US soybean exports to China fell to approximately US$3 billion in 2025, their lowest level since 2018, despite a partial negotiating agreement reached in autumn 2025 (PIIE)
• Under China's 2025 retaliatory tariff scenario, modelling estimates US wheat exports to China would decline 87.9% and soybean exports 61.2% compared to MFN baseline (Choices Magazine / USDA, 2025)
• China's 2026–28 agricultural purchase commitments negotiated with the Trump administration were set at levels "below the status quo" — below pre-disruption baseline volumes (industry sources via PIIE)
• The Trump administration announced up to US$11 billion in farmer subsidies for trade-disruption losses, with payments commencing February 28, 2026 — the third such farm relief programme since 2018 (PIIE)
• Oxford Economics forecasts US soybeans will remain under sustained price pressure in 2026 as Chinese buyers continue to prioritise alternative suppliers while global supply remains abundant (Oxford Economics, February 2026)
• China has actively built out Brazilian and Argentine supply chain relationships since 2018; Brazil's soy and protein export volumes to China have expanded continuously across this period, reinforcing supply chain switching costs that now work against US re-entry

IMPLICATION

The US agricultural sector is undergoing a structural contraction in its most important export market — one that subsidy programmes can temporarily cushion but cannot reverse. The direct beneficiaries are Brazil and Argentina, which are absorbing grain and oilseed volumes formerly destined for China and building the commercial infrastructure — logistics, credit facilities, supply chain relationships — that makes re-entry by US suppliers progressively harder to execute even if tariffs were eliminated tomorrow. For export agencies and commodity traders operating outside the US-China bilateral, this is the most significant structural opportunity in global grains and oilseeds in a decade. The displacement of US supply is not a gap to be filled temporarily — it is a permanent market share transfer that is still completing. The key forward signal to monitor is whether any US-China negotiating framework produces binding purchase commitments at a scale sufficient to reverse the supply chain switching that has already occurred. Based on current trajectories, that outcome is not in view for 2026.

Sources: PIIE (March 2026) · Choices Magazine / USDA Agricultural Policy Analysis (2025) · Oxford Economics Commodities Outlook 2026 (February 2026) · Tax Foundation Tariff Tracker (March 2026) · CSIS — When a Trade War Becomes a Food Fight (October 2025) · Budget Lab at Yale — State of Tariffs (February 2026)