Show wealth put into the earth T the he united states with about 01 6 per cent odthe of the worlds population uses approximately 10 19 per cent of tile the worlds annual output of fertilizer and ranks second only to germany as a producer the worlds annual production Is 3 worth on assumed of a ton for nitrogen in the warehouses of the producer and a value of bf 50 a ton each for phosphoric add acid and potash the total amount of plant food used by american can farmers increased 45 per cent from 1914 to 1928 |