Martin, Hugh. <br/><br/>
Organic farming in Ontario 

 - Ontario :  Ministry of Agriculture and Food,  1992 
 - 4 p. 
 - Canadá. Ministry of Agriculture. Factsheet  ; 100 .
 - Canadá. Ministry of Agriculture. Factsheet  ; 100 .
<br/><br/><label>LCCN: </label>60148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura orgánica.<br/>Agricultura--Canadá.