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江北县统景区从文化大革命以来,新发展柑桔三十余万株,已陆续投产,但其中共砧锦橙结果迟,单产低。1974年我们在土壤瘠薄,位于深丘的合理七队2—6年生的甜橙园进行试验观察,发现柑桔生长周期中存在着营养生长与生殖生长的矛盾,突出的是;夏梢抽发时正处于高温季节,生长快,消耗大量养分,从而打乱树体内部营养分
Since the Cultural Revolution, Jiangbei County Tongjing District has newly developed more than 300,000 citrus plants and started production successively. In 1974, we observed in the orange orchards of 2-7 years old in a reasonable seven-year-old team with infertile soils in the deep mound and found that there was a contradiction between vegetative and reproductive growth in the growth cycle of citrus, At a time when it is hot, it grows fast and consumes a lot of nutrients, disrupting the nutrition inside the tree