Phosphate fertilizer results in Minnesota  / 
Paul M. Burson [et.al.] 
 - St. Anthony Park, Minn.  :   Agricultural Extension Service 
 - 1 hoja desplegable 
 - Minnesota. Agr. Ext. Ser. Extension Pamphlet; 121 .
<br/><br/><label>LCCN: </label>202509 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes, fosfatos en  Fertilizantes para alfalfa