TY  - BOOK
AU  - Nelson, Alexander
TI  - Principles of Agricultural Botany
U1  - 630.281 
PY  - 1946///
CY  - New York
PB  - Thomas Nelson and Sons Ltd.
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Agriculture
KW  - Botany
ER  -