President Donald Trump signed an executive order that uses the Defense Production Act to protect domestic supplies of elemental phosphorus and glyphosate-based herbicides, materials the White House says are essential for both national defense and U.S. agriculture. The action aims to ensure these critical inputs are produced and allocated in ways that support military readiness and farm productivity.
The decision comes amid concerns that limited domestic production and heavy reliance on imports could threaten supply chains for defense industries and American farmers.
What the Executive Order Does
Defense Production Act Invoked
President Trump’s order formally invokes the Defense Production Act (DPA) of 1950, a law giving the president authority to prioritize and allocate production of materials deemed crucial to national defense.
Under the order, the Secretary of Agriculture is directed to use DPA powers to ensure an adequate and continuous supply of elemental phosphorus and glyphosate-based herbicides. This includes setting priorities and allocating raw materials and production capacity to maintain domestic availability.
Why Phosphorus and Herbicides Matter
- Elemental phosphorus is described in the order as a key component in defense technologies — including smoke and illumination devices, semiconductors in radar and sensors, and modern lithium-ion battery chemistries used in weapons systems.
- Glyphosate-based herbicides are widely used in U.S. agriculture to protect crops and support food production, and the executive order cites their importance to food-supply stability.
The White House noted that the U.S. currently has only one domestic producer of these materials and that production falls short of national needs, increasing vulnerability to supply disruptions.
Why This Action Matters
National Security and Defense Supply Chains
The Defense Production Act is traditionally used in times of crisis or strategic need to secure materials linked to military readiness or essential infrastructure. By classifying phosphorus and herbicides under this act, the administration is treating shortages or disruptions in supply as a potential national security concern.
Elemental phosphorus is processed into forms used for military munitions as well as electronics and battery components — all of which can be important to defense industrial bases.
Agriculture and Food Security
Glyphosate-based herbicides are among the most commonly used crop protection tools in U.S. farming. The order suggests that significant interruptions in supply could jeopardize crop yields and food production, which in turn could stress food availability and stability for American families.
Farmers and agricultural groups have raised concerns about the combined effect of tariffs and import restrictions on crop input costs and availability, a backdrop to the administration’s decision.
Context and Implementation
The Role of the Defense Production Act
The DPA grants the president broad authority to allocate, prioritize and expand production of materials deemed critical to national defense. Throughout its history, it has been used in wartime and emergencies to secure needed industrial output.
Under the new order, the Secretary of Agriculture is empowered to issue regulations and orders to ensure continuous supplies of phosphorus and herbicides and to coordinate with the Defense Department on implementation.
Domestic Production Concerns
U.S. production of elemental phosphorus and glyphosate-based herbicides is limited, and markets for these products also depend on foreign sources. Trump’s action is intended to reduce reliance on imports and protect against foreign supply disruptions.
The order also emphasizes protecting the economic viability of domestic producers so they can continue providing these materials without risk of being driven out of business.
Bottom Line
President Trump invoked the Defense Production Act to prioritize domestic supply chains for elemental phosphorus and glyphosate-based herbicides, citing their importance to U.S. defense readiness and agricultural productivity. The executive order directs the Agriculture Department to use federal powers to allocate materials and safeguard supply continuity, reflecting growing concern about vulnerabilities in critical industrial and farming inputs.
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Frequently Asked Questions
What law did Trump use?
President Trump invoked the Defense Production Act of 1950, a federal law that allows the government to prioritize and allocate materials for national defense purposes.
Why is phosphorus important?
Elemental phosphorus is used in military and defense-related technologies such as radar components and batteries, as well as in agricultural production.
What are glyphosate-based herbicides?
Glyphosate-based herbicides are widely used in U.S. farming to control weeds and protect crop yields, and the order described them as essential for food supply security.
Why take this action now?
The administration said limited domestic production and reliance on imports could disrupt defense and food supplies if supply chains are affected.
The order aims to stabilize long-term supplies rather than impose immediate changes to farming practices, while addressing concerns over high input costs and supply risks.
President Trump signed an executive order invoking the Defense Production Act to secure domestic production of elemental phosphorus and glyphosate-based herbicides, citing their importance to U.S. defense supply chains and agricultural productivity.
