TY  - BOOK
AU  - Singh, K Kirpal
AU  - Mehrotra, N K
AU  - Singh, Achal (Ed.) 
TI  - Ber cultivation
PY  - 1980///
CY  - Ludhiana: 
PB  - Punjab Agricultural University, 
KW  - Agriculture
KW  - Harvesting
KW  - Planting
ER  -