Knowlton, George F. <br/><br/>
Greenhouse fumigation  / 
by George F. Knowlton 
 - Logan, Utah  :   Utah State Agricultural College. Agricultural Expperiment Station 
 - 4 p. 
 - College Series ; 472 .
<br/><br/> Enc. con impresos similares 
<br/><br/><label>LCCN: </label>206359 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fitopatología -- colecciones de escritos <br/>Invernaderos -- fumigación
<br/><br/><label>Dewey Class. No.: </label>PA-C 632 B85