The production of seed of root crops and vegetables 

 - East Malling :  Imperial Bureaux of Horticulture and Plantation Crops,  1947 (c1943) 
 - 95 p.  : ilus. 
 - Imperial Agricultural Bureaux. Joint publication  ; 5 .
 - Imperial Agricultural Bureaux. Joint publication  ; 5 .
<br/><br/><label>LCCN: </label>25030 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Legumbres--Semilla.<br/>Tubérculos y cultivos de raíz--Semilla.