Humphreys, L. R. <br/><br/>
The evolving science of grassland improvement / 
L.R. Humphreys. 
 - Cambridge, United Kingdom :  Cambridge University Press,  c1997. 
 - xvii, 259 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521495679 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pastures.<br/>Forage plants.<br/>Grasslands.<br/>Pasture ecology.<br/>Grassland ecology.
<br/><br/><label>LC Class. No.: </label>SB199  / H84 1997