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用直流电场处理油松种子，进行发芽试验和飞播造林试验。结果表明：经直流电场处理的油松种子，可提前１～２ｄ发芽，提高发芽成苗率１０％～２５％。
DC seeds were treated with DC electric field to conduct germination test and aerial seeding afforestation experiment. The results showed that the seeds of Pinus tabulaeformis treated by direct current electric field could germinate 1 ~ 2 days in advance and increase the germination rate by 10% ~ 25%.