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同安是全国六大龙眼生产基地县之一。全县现有龙眼面积29471亩,结果面积14229亩,常年总产量5000吨,但是在龙眼生产上长期存在着大小年结果问题。从全县1976～1986年产量来看,在连续十一年的时间内就出现5年大年,6年小年。比如,1976年(大年)总产5692.5吨,1977年(小年)总产仅781.9吨,大小年产量变幅为86.8％;1981年(大年)总产6294吨,1982年(小年)仅824.1吨,大小年产量变幅为87.2％;1985年(大年)总产7147吨,1986年(小年)仅
Tongan is one of the six major county bases in the country. The county’s existing longan area of 29471 acres, the result area of 14229 acres, perennial total output of 5000 tons, but long-term production in the production of longan size problems. From the county’s production from 1976 to 1986 point of view, in a row for eleven years to appear five years, 6 years of small years. For example, the total output of 5692.5 tons in 1976 (New Year), the total output of only 781.9 tons in 1977 (small year), and the annualized amplitude of the annual output of 86.8%; the total output of 6294 tons in 1981 (the New Year), 1982 ) Only 824.1 tons, the size of the annual output amplitude of 87.2%; 1985 (New Year), a total of 7,147 tons, 1986 (Year) only