Crop loss assesment methods  supplement 3 

 - Slough  Commonwealth Agricultural Bureaux  1981 
 - 123 p. 
<br/><br/><label>ISBN: </label>0851984878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases
<br/><br/><label>Dewey Class. No.: </label>632  / CRO