Winston, J. R. <br/><br/>
The field testing of copper-spray coatings  / 
by J. R. Winston, and H. R. Fulton 
 - Washington  :   Department of Agriculture 
 - 9 p. 
 - EUA. Dep. of Agri. Bull.; 785 .
<br/><br/><label>LCCN: </label>203254 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspersión  Cobre en suelos