TY  - BOOK
AU  - Hay, Robert K.M.
TI  - The physiology of crop yield
SN  - 9781405108591
U1  - 633 
PY  - 2006///
CY  - Oxford, UK
PB  - Blackwell Publishing
KW  - Crop
KW  - Physiology
KW  - Crop yields
N1  - Includes bibliographical references and index
ER  -