Selman, I. W. <br/><br/>
Disease incidence and yield variation in potatoes grown for five yer s with organic and inorganic fertilizers /    
I. W. Selman and Schimmer , Frieda C. 
 - London :   Clarendon Press ,   1955 
 - 226 - 233 p:    ill. ;    23 cm. 
 - Reprint ;   no.78 .
<br/><br/>  Extract from The Empire Journal of Experimental Agriculture, Vol.xxi ii, Numbers 91/2, July/ October 1955. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potatoes --Breeding.--Great Britain.----<br/>Potatoes --Diseases and pests.--Great Britain.----<br/>Organic fertilizers --------<br/>Inorganic fertilizers --------