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高压静电场处理水稻种子能促进萌发吸水和提高幼苗的根系活力，静电场处理水稻幼苗同样也能提高根系活力。当植株上端为正电极处理时，静电场对根系活力的作用随电场强度增大而增大；当上端为负电极处理时，其作用效果相反。通过最优回归设计试验结果分析，对根系活力作用的最佳处理为：电场强度１．５ＫＶ／ｃｍ，时间１．２ｈ，处理时期为生长７ｄ的幼苗
High-voltage electrostatic field treatment of rice seeds can promote germination and water absorption and improve seedling root activity, electrostatic field treatment of rice seedlings can also increase root activity. When the upper end of the plant is treated with positive electrode, the effect of electrostatic field on root activity increases with the increase of electric field strength. When the upper end is treated with negative electrode, the effect is opposite. Through the optimal regression design test results analysis, the best treatment of the root activity is: electric field strength 1.5KV / cm, time 1.2h, the processing period of 7d seedlings