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为了探索泡桐苗期的营养状况与生长关系,我们于1978——1980年进行了兰考泡桐苗期营养诊断的初步探索。现把结果总结如下供参考。
In order to explore the relationship between the vegetative state and the growth of Paulownia seedling stage, we conducted a preliminary exploration on the nutritional diagnosis of Paulowniagnolongi seedlings in 1978-1980. The results are summarized below for reference.