Manual for field trials in plant protection  / 
by CIBA-GEIGY 
 - 3a. 
 - Switzer land  :   CIBA-GEIGY 
 - 271 p. 
<br/><br/><label>LCCN: </label>200438 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura -- experimentación
<br/><br/><label>Dewey Class. No.: </label>PA 631 C5