Washburn, F. L <br/><br/>
Suggestions to those contemplating spraying  / 
F. L. Washburn 
 - St. Anthony Park  :   University of Minnesota. Agricultural Experiment Station 
 - 11 p. 
 - Minnesota. Agr. Exp. Sta. Pres Bull; 31 .
<br/><br/><label>LCCN: </label>201800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mezcla de Bordaux  Verde de Paris