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本文根据大量的烟草种子室内检验数据和前人的研究结果对现有的种子发芽势．发芽率调查的最佳时间提出了新的看法；并在实践中摸索出一套适宜于种于检验的，比较精确的杂质分离方法．可供重新制订烟草种子检验标准和实际工作参考
In this paper, based on a large number of tobacco seed indoor test data and previous research results on the existing seed germination potential. Germination rate of the best time to put forward a new survey; and in practice to explore a set of suitable for testing, more accurate impurity separation method. It can be used for re-designing tobacco seed testing standards and actual work reference