Morocco Phosphate Fertilizer and Section 301: U.S. Trade Policy Implications for Agricultural Supply Chains

Morocco controls approximately 70% of the world's known phosphate rock reserves — a concentration of a critical agricultural input with few parallels in global commodity markets. Through OCP Group (Office Chérifien des Phosphates), the Moroccan state-owned enterprise that is the world's largest phosphate exporter, Morocco supplies a substantial share of the phosphate rock, diammonium phosphate (DAP), monoammonium phosphate (MAP), and triple superphosphate (TSP) consumed by U.S. and global agriculture.

As the United States Trade Representative (USTR) has expanded its use of Section 301 of the Trade Act of 1974 as a tool for addressing unfair trade practices and supply chain vulnerabilities, and as Congress has focused increasing attention on agricultural input security, the trade policy treatment of Moroccan phosphate imports has become a subject of active policy discussion.

Phosphate rock is a non-renewable mineral resource and an essential input for phosphate-based fertilizers, which are in turn essential for modern agricultural production. There is no commercially viable substitute for phosphorus in plant nutrition. The U.S. Geological Survey estimates that Morocco holds approximately 50 billion metric tons of phosphate rock reserves — roughly 70% of the world total. The next largest reserve holders (China, Egypt, Algeria) hold a combined share substantially smaller than Morocco's alone.

The United States was historically a major phosphate producer, with significant operations in Florida and Idaho. U.S. domestic production has declined substantially over the past two decades due to reserve depletion, environmental permitting constraints, and cost competition from lower-cost foreign producers. The U.S. is now a net importer of phosphate fertilizers, with Morocco and China as the dominant suppliers.

OCP Group is a Moroccan state-owned enterprise with exclusive rights to Morocco's phosphate deposits. It is the world's largest exporter of phosphate rock and one of the largest producers of processed phosphate fertilizers. OCP has invested heavily in downstream processing capacity, shifting its export mix from raw phosphate rock toward higher-value processed fertilizers (DAP, MAP, TSP) over the past decade.

OCP's pricing and export volumes have a direct impact on global fertilizer markets. Its status as a state-owned enterprise with access to subsidized energy, state-backed financing, and preferential access to Moroccan phosphate deposits raises questions — from a U.S. trade policy perspective — about whether its competitive position reflects genuine comparative advantage or state support that distorts market competition.

Section 301 of the Trade Act of 1974 authorizes the USTR to investigate and respond to foreign government acts, policies, or practices that are unfair, unreasonable, or discriminatory and burden or restrict U.S. commerce. Section 301 actions can result in tariffs, import restrictions, or other trade measures.

The USTR's use of Section 301 has expanded significantly in recent years, moving beyond its traditional focus on intellectual property and market access to encompass supply chain security, state subsidies, and strategic commodity dependencies. The Section 301 investigations targeting China — which resulted in the tariff schedules now covering hundreds of billions of dollars of Chinese imports — established a template for using Section 301 as a broad-based trade policy instrument.

A Section 301 investigation targeting Moroccan phosphate exports could be premised on several theories:

State ownership and subsidization: OCP's status as a state-owned enterprise with exclusive access to Morocco's phosphate reserves, combined with state-backed financing and subsidized energy inputs, could support a finding that OCP's export pricing reflects state support rather than market-determined costs — an "unreasonable" practice that burdens U.S. commerce by undercutting domestic producers and creating supply chain dependency.

Export pricing practices: If OCP prices phosphate exports below cost or uses differential pricing between domestic and export markets in ways that disadvantage U.S. producers, this could support a Section 301 theory.

Supply chain vulnerability: The concentration of global phosphate reserves in a single country creates a supply chain vulnerability for U.S. agriculture analogous to the rare earth mineral dependencies that have driven Section 301 and other trade actions against China. Congress has shown increasing interest in treating phosphate as a critical mineral for supply chain security purposes.

Lack of reciprocal market access: If Morocco's trade practices in the phosphate sector restrict U.S. access to Moroccan markets or discriminate against U.S. companies in ways that are unreasonable or discriminatory, this could provide an additional Section 301 basis.

Section 301 is not the only trade remedy available. The U.S. International Trade Commission (ITC) and the Department of Commerce administer countervailing duty (CVD) proceedings, which are specifically designed to offset foreign government subsidies. A CVD petition targeting OCP's state subsidies — filed by domestic phosphate producers or their trade associations — could result in countervailing duties on Moroccan phosphate imports without requiring a USTR investigation.

The domestic U.S. phosphate industry (led by Mosaic Company, the largest U.S. phosphate producer) has previously pursued trade remedy actions against Moroccan and Russian phosphate imports. The trade remedy landscape for phosphate fertilizers is therefore not hypothetical — it has been actively litigated.

A complicating factor in any Section 301 or trade remedy analysis is the U.S.-Morocco Free Trade Agreement (FTA), which entered into force in 2006. The FTA provides for duty-free or reduced-duty treatment of many goods traded between the two countries, including certain phosphate products. A Section 301 action that imposes tariffs on Moroccan phosphate imports would need to be assessed against the FTA's obligations and dispute resolution mechanisms.

Phosphate fertilizers are a significant input cost for U.S. corn, soybean, wheat, and cotton producers. Any trade action that restricts Moroccan phosphate imports or imposes tariffs would, in the near term, increase fertilizer costs for U.S. farmers — a politically sensitive outcome that would generate significant agricultural sector opposition.

The policy tension between protecting domestic phosphate producers and keeping fertilizer costs low for farmers is a recurring feature of U.S. phosphate trade policy debates. Any Section 301 action would need to navigate this tension, potentially through tariff rate quotas, phase-in periods, or domestic supply incentives.

The longer-term policy objective of reducing U.S. dependence on Moroccan (and Chinese) phosphate imports would require investment in domestic production capacity, development of alternative international supply sources, and potentially strategic reserves of phosphate fertilizers — analogous to the Strategic Petroleum Reserve for oil.

Turkey is a significant agricultural producer and a substantial consumer of phosphate fertilizers. Turkish farmers and agricultural companies that import phosphate fertilizers — whether from Morocco, Russia, or other sources — should monitor U.S. trade policy developments in this sector, as U.S. trade actions can affect global phosphate pricing and availability.

Turkish investors and companies with interests in fertilizer production, distribution, or agricultural input supply chains should assess their exposure to phosphate supply chain disruptions. Companies that source phosphate inputs from Morocco or that compete with Moroccan phosphate products in third markets should conduct a supply chain risk assessment.

The U.S. policy focus on phosphate supply chain security creates potential opportunities for Turkish investors and companies:

• Alternative supply development: Investment in phosphate mining or processing capacity outside Morocco and China could attract U.S. government support or offtake interest
• Fertilizer technology: Investment in precision agriculture and fertilizer efficiency technologies that reduce phosphate consumption per unit of agricultural output
• Distribution infrastructure: Investment in U.S. fertilizer distribution and storage infrastructure that could benefit from supply chain diversification initiatives

The trade policy treatment of OCP — a state-owned enterprise with dominant market position in a critical agricultural input — is a precedent with broader implications for how the U.S. approaches state-owned enterprises in other sectors and from other countries, including Turkey. Turkish state-owned enterprises with significant export positions should monitor how the OCP situation develops as an indicator of U.S. trade policy direction.

As of mid-2026, no formal Section 301 investigation targeting Moroccan phosphate imports has been announced by the USTR. However, the policy environment — characterized by expanded use of Section 301, heightened focus on agricultural supply chain security, and bipartisan interest in reducing strategic dependencies on single-country suppliers — makes this an active area of trade policy risk that warrants monitoring.

ULF New York advises Turkish investors, agricultural companies, and businesses on U.S. trade policy, Section 301 proceedings, supply chain compliance, and cross-border investment. Contact us for a consultation.