To improve the parental balance of seed orchard crops, the use of artificial management techniques such as gibberellin A4/7 treatment, rearrangement of clonal ramets is recommended in seed orchards.

• 为了改善种子园林木的亲本平衡，人工处理技术的使用，例如：赤霉素A4/7处理技术和无性繁殖技术在种子园很受欢迎。