Ley farming in Sweden :  a field day at Svalöf. 

 - Aberystwyth :  Imperial Bureau of Pastures and Forage Crops,  19 45 
 - 44 p. :  ill. ;  25 cm. 
 - Bulletin 33 of the Imperial Bureau of pastures and forage crops .
<br/><br/> "An abridged English edition authorised by the director of the Swedi sh Seed Association." 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forage plants--Sweden.<br/>Pastures.
<br/><br/><label>Dewey Class. No.: </label>P 633.209485 L49