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    • 施肥对槟榔坐果率及产量的影响

    杨福孙,孙爱花,边子星,颜彩燕,黄修冬

    Journal of Anhui Agricultural Sciences（2015）

    Cited 7|Views7
    Abstract
    [目的]研究施肥对槟榔坐果率和产量的影响,以期提高槟榔坐果率和产量.[方法]试验以9年生结果槟榔为研究对象,于花期前后,采用不同施肥处理,测定其叶片营养,观察槟榔坐果并测定产量.[结果]施肥能显著提高槟榔的坐果率和单株产量,以150 g/株专用肥+300g/株尿素处理效果最明显.在结果到果实膨大期槟榔落果最严重.专用肥施用后补施氮肥会提高叶片中氮素含量,降低钾素营养;而补施钾肥会提高叶片中钾素营养.叶片氮与钾素含量与槟榔产量呈负相关性,且槟榔产量因子中以单株结果梭数相关性最高.[结论]槟榔结果期间在施用专用肥基础上,适当补施氮及钾肥能显著提高槟榔坐果率及产量.
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    fruit setting rate,different fertilization,areca,yield
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    • Pretraining has recently greatly promoted the development of natural language processing (NLP)
    • We show that M6 outperforms the baselines in multimodal downstream tasks, and the large M6 with 10 parameters can reach a better performance
    • We propose a method called M6 that is able to process information of multiple modalities and perform both single-modal and cross-modal understanding and generation
    • The model is scaled to large model with 10 billion parameters with sophisticated deployment, and the 10 -parameter M6-large is the largest pretrained model in Chinese
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    【要点】：研究不同施肥方式对槟榔果实坐果率和产量的影响，发现添加氮肥和钾肥的特定肥料能有效提高槟榔的坐果率和产量。
    

    【方法】：使用9年生槟榔树为材料，在开花后进行不同肥料的处理，通过测量叶片营养含量，观察槟榔树的果实坐果率和产量。
    

    【实验】：实验使用了特定槟榔肥料和尿素的不同组合，结果显示在所有处理中，使用150克特定槟榔肥料加300克尿素的处理效果最为显著。实验期间，果实生长期至果实成熟期槟榔果实掉落最为严重。加入氮肥可以提高叶片氮含量，降低钾含量；加入钾肥可以提高叶片钾含量。叶片氮和钾含量与槟榔产量呈负相关，而每棵槟榔树的果穗数与产量相关性最大。