Chittenden, F. H. <br/><br/>
Increasing the potato crop by spraying  / 
F. H. Chittinden, W. A. Orton 
 - Washington  :   Department of Agriculture 
 - 22 p. 
 - EUA. Dept. Agr. Farmers' Bull; 1349 .
<br/><br/><label>LCCN: </label>203379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Papa -- Rendimiento  Aspersión