TY  - BOOK
AU  - Evans, L. T
TI  - Crop evolution, adaptation, and yield
SN  - 9780521295581
U1  - 633 EVA 
PY  - 1993///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Crop yields
KW  - Crops - Adaptation
KW  - Crops - Evolution
N1  - Includes bibliographical references (p. 391-483) and index
ER  -