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Show Wealth Put Into the Earth The United States, with about 0 per cent of the world's population, uses approximately 19 per cent of the world's annual output of commercial fertilizer and ranks second only to Germany as a producer. The world's annual production is worth $502,235,000 on assumed values of $1G0 a ton for nitrogen In the warehouses of the producer, and a value of $50 a ton each for phosphoric phos-phoric acid and potash. The total amount of plant food used by American Amer-ican farmers Increased 45 per cent from 1014 to 192S. |