TY  - BOOK
AU  - Hughes, H D 
AU  - Heath, Maurice E
AU  - Metcalfe, Darrel S 
TI  - Forages: : The Science of grassland agriculture 
PY  - 1962///
CY  - USA: 
PB  - The Lowa State University Press, 
KW  - Agriculture
KW  - Alfalfa
KW  - Red clover
ER  -