Field weed sprayers / 
prepared by members of the Ontario Herbicide Committee, compiled by D. E. Clark 
 - Toronto :  Ontario Department of Agriculture and Food,  [date of publications not identified] 
 - 38 pages :  illustratrations ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spraying equipment<br/>Herbicides
<br/><br/><label>LC Class. No.: </label>S155 F54