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据统计,近年来南丰蜜桔投产树的平均亩产在1000公斤以下。造成产量低的重要原因是大小年结果特別严重,有些树头年结果累累,但次年几乎没有产量。为此,我们对一些丰产稳产的南丰蜜桔园进行调查,发现重施夏肥(一般于每年6月底7月初稳果后施,施肥量占全年总量的60％以上)是缩小
According to statistics, in recent years, the average yield per mu of Nanfeng tangerine production trees is below 1,000 kg. The main reason for the low output is the particularly serious size-to-year result, with some tree-year results, but few production in the following year. To this end, we conducted surveys on some Nanfeng Orange Garden with high and stable yield and found that re-application of summer fertilizer (generally after the end of June and early July in each year, the amount of fertilizer application accounted for more than 60% of the annual total)