TY  - BOOK
AU  - Whyte, R.O
TI  - Crop Production and Environment
U1  - 631.5 
PY  - 1960///
CY  - London
PB  - Faber and Faber Ltd
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Crop production
KW  - Environment
ER  -