Shortages Threaten Farmers’ Key Tool: Fertilizer - New York Times

Shortages Threaten Farmers’ Key Tool: Fertilizer - New York Times: "Some kinds of fertilizer have nearly tripled in price in the last year, keeping farmers from buying all they need. That is one of many factors contributing to a rise in food prices that, according to the United Nations’ World Food Program, threatens to push tens of millions of poor people into malnutrition."