我场种柑桔已有二十三年的历史.主栽品种有芦柑、桶柑和甜橙类.种植面积共330亩,其中已投产的220亩;分布在海拔420～925公尺的坡地上.一九七○年前亩产(每亩以50株计算)均徘徊在700斤左右.究竟高海拔种柑桔能不能高产?为了探索这个问题,我们于一九七○年春对低产问题进行了分析探讨,初步找到了低产的内外原因.在党支部的领导下, My field of citrus has been 23 years of history. Major cultivars are citrus, barberry and sweet orange. A total area of ​​330 acres planted, of which 220 acres have been put into operation; located in the elevation of 420 ~ 925 meters On the sloping land, the per-mu yield (50 plants per acre) hovered around 700 kg in 1970. After all, could high-altitude citrus be able to produce high yields? To explore this issue, Problems were analyzed and discussed, initially found the low yield of internal and external reasons.Under the leadership of the party branch,