TY  - BOOK
AU  - Pearson,C.J.
TI  - Control of crop productivity
SN  - 0125482809
AV  - S494.5.P75 C65 1984
PY  - 1984///
CY  - Sydney, Australia
PB  - AcademicPress.
KW  - Crops
KW  - yields
KW  - Agricultural productivity
KW  - Physiology
N1  - Includes bibliographical references and index
ER  -