TY  - BOOK
AU  - Cayford, J.H., ed.
ED  - Symposium on Direct Seeding :
TI  - Direct seeding: proceedings
U1  - 634.9562 21st ed.
PY  - 1974///
CY  - Ottawa
PB  - Department of the Environment
KW  - Forestry
KW  - Seed treatment
KW  - Seedlings
KW  - Seeds
ER  -