Watercress cultivation 
/ Ministry of Agriculture, Fisheries and Food 
 - London:   Her Majesty's Stationery Office,   1956 
 - v, 46p. 
 - Bulletin  136 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Harvesting Marketing 
<br/><br/><label>Universal Decimal Class. No.: </label>635.56   / J6