na INLIS000000000003120 20210519133540 210519||||||||| | ||| |||| || 010-0521003120 634.614/HAR/o 634.614/HAR/o C.W.S. Hartley Oil palm London Longman Group Limited 1977 xviii, 806 p.: ill.; 22 cm. botany -- SELECTION -- FLOWERING -- PLANT BREEDING -- YIELDS -- ELAEIS GUINEENSIS -- GROWTH