TY - BOOK AU - Kirpal Singh,K AU - Chadha,K.L. AU - Gupta,M.R. TI - Ber culitivation U1 - 634.60954 PY - 1973/// CY - Ludhiana PB - Punjab Agricultural University KW - Orchards KW - India KW - Palm oil KW - Oil palm KW - Ber KW - Cultivation ER -