Hughes, Harold De Mott,  1882-1969, <br/><br/>
Forages :  The science of grassland agriculture / 
Under editorial authorship of h. d. Hughes, maurice e. Heath and darrel s. metcalfe. 
 - 2 
 - 707 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forraje<br/>Plantas forrajeras--Estados Unidos
<br/><br/><label>LC Class. No.: </label>SB193  / H8121962