SMITHSONIAN INSTITUTION - UNITED STATES NATIONAL MUSEUM, 
THE FERTILIZER SITUATION IN THE UNITED 
Based on normal times, 1913-1914, but showing principal effects of World-War, 1914- 1917. 
Prepared "by the Division, of Mineral Technology, U. S,- National Museum. 
STATES. 
AREAS 
10,000 sq.ml. 
SOUTH CENTRAL STATES 
NORMAL PRODUCTS 
This chart is based on data compiled from Mineral Resources of the 
United States, The Mineral Industry, The American 
book, Reports of the Department of 
papers. The normal 
limits of error of the 
NORMAL CONSUMPTION 
RAW MATERIALS ENTERING LARGELY INTO 
FERTILIZERS 
SOURCES OF RAW MATERIALS CONSUMED 
I Normal domestic supplies 13 Normal foreign supplies, endangered by war conditions 
HI Increase under war conditions Normal foreign supplies, largely cut off by war conditions 
POTASSIUM COMPOUNDS 
TANKAGE, COTTONSEED MEAL, IMPORTED PHOSPHATE BASIC 
^ FISH, GUANO ROCK 
SULPHURIC ACID FROM PYRITE 
About half only of a 
Designed by J.E. Pogue, 
