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