Vroomen Harry <br/><br/>
Fertilizer use and price statistics, 1960-91 / 
Harry Vroomen, Harold Taylor ; U.S. Department of agriculture. Economic research service. 
 - Washington, DC :  U.S. Department of Agriculture,  1992. 
 - 58 p. :  tables, fig. ;  26 cm. 
 - Statistical Bulletin  № 842 .
<br/><br/>Includes appendix 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizer use<br/>Price statistics