TY  - BOOK
AU  - Pearson, C. J.
TI  - Control of crop productivity
SN  - 0125482809
U1  - 631 23
PY  - 1984///
CY  - Orlando, Florida
PB  - Academic Press
KW  - Crop yields
KW  - Agricultural productivity
KW  - Crops
KW  - Physiology
N1  - Includes bibliographies and index
ER  -