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在多年生产实践中发现,落叶松立枯岩与圃地FH值、种子处理方法、播种后复盖物及复盖厚度有直接关系。
In many years of practice, it has been found that larch rhubarb rock is directly related to the FH value of the nursery, the seed treatment method, the coverage after sowing and the cover thickness.