TY  - BOOK
AU  - Howard, Albert.
AU  - Howard, Gabriele L C.
TI  - Application of science to crop production
U1  - 633 
PY  - 1929///
CY  - London
PB  - Oxford University Press
KW  - Agricultural Science
KW  - Crop Production
KW  - Soil Science
N1  - Includes bibliographical references
ER  -