试验地位于四川南部的泸县,东经105°,北纬29°,于1964年引种栽培油橄榄,1967年试花试果。1979年以前,油橄榄的生长和开花结果正常,1978年320株成年树的最高年产量达到4470斤。近几年来,油橄榄的开花结果都很差,有许多生长正常,树冠高大,枝叶茂盛的树却不开花结果,或者只能在树冠上部开极少量的花。 The experimental site is located in Lu County in southern Sichuan, east longitude 105 °, latitude 29 °, introduced in 1964 cultivated olive, test flowers in 1967 test. Before 1979, the growth and flowering of olive were normal. In 1978, the maximum annual output of 320 adult trees reached 4470 kg. In recent years, Olea europaea has very poor flowering results, many of which grow well, have tall canopies and foliage trees, but do not flowering, or they can only open very small flowers in the upper part of the canopy.