From the OP article, link repeated for convenience of reference --
https://www.msn.com/en-us/news/us/iran-war-deprives-us-farmers-of-affordable-fertilizer-as-spring-planting-looms/ar-AA1YAaSv
On Friday, U.S. Agriculture Secretary Brooke Rollins said the White House was planning to address the issue.
"The president is very aware of these challenges and these issues. We are very close to having an announcement on some solutions," said Rollins.
The administration is "looking at every potential avenue" to control fertilizer costs and having discussions with lawmakers about more aid for farmers.
The Trump administration is in the process of distributing $12 billion in aid to U.S. farmers.
. . .
On Thursday, Senator Josh Hawley asked Attorney General Pam Bondi to investigate whether fertilizer companies were involved in price-gouging. Hawley noted that prices have soared as much as 32% since the start of the war and said this was not reasonable.
He also sent a letter to the largest fertilizer companies demanding they explain the price hikes.