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鉴于前一阶段对温州蜜柑叶片氨基态氮和可溶性糖的研究,以应用糖氮比分析,较之单一测得的氨基态氮含量更可提高其植株氮素营养水平的测准率。为速一步探明温州蜜柑叶片糖氮比的周年动态(即相应周年氮素营养变化状况),以及糖氮比与产量的关系,我们于1981年7月至1983年8月对温州蜜柑进行单株周年糖氮比的诊断研究。现将初步结果小结于下:
In view of the previous stage on the amino acid nitrogen and soluble sugar of Satsuma camangah, the application of sugar-nitrogen ratio analysis, compared with a single measured amino nitrogen content can improve the level of its plant nitrogen nutrient level of the accuracy. In order to further investigate the annual dynamics of the ratio of sugar to nitrogen in the leaves of Satsuma mandarin (that is, the corresponding annual nitrogen nutrition changes) and the relationship between the ratio of sugar to nitrogen and yield, we conducted a single Study on the Annual Sugar - Nitrogen Ratio in Strain. The preliminary results are summarized below: