Worldwide Growth in Fertilizer Use oversize graphic
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.Ag chemicals not derived in part from petroleum still have to be transported (using fuel). Thanks neverdem.