特朗普签署行政令，以保护国内草甘膦除草剂的稳定供应

Core Viewpoint - The U.S. government has signed an executive order to protect the domestic supply of phosphorus and glyphosate, recognizing the potential risks to national defense and food supply from disruptions in these critical materials [1] Group 1: Executive Order Details - The executive order was signed by President Trump on February 18, invoking the Defense Production Act [1] - The order directs Agriculture Secretary Brooke Rollins to collaborate with the Department of Defense to ensure the continuous supply of these materials [1] Group 2: Importance of Phosphorus and Glyphosate - Phosphorus is a key raw material for smoke, lighting, and combustion devices, as well as a critical component in semiconductors [1] - Glyphosate is the most widely used crop protection tool in U.S. agriculture, playing a significant role in maintaining agricultural competitiveness [1] Group 3: Supply Chain Concerns - There is only one compliant domestic producer of both phosphorus and glyphosate in the U.S., with demand significantly exceeding production capacity [1] - The government emphasizes the importance of stable supply for existing critical inputs to ensure food security and national defense [1]